#1F643D

Closest named color: Spruce (#0A5F38). oklch(44.9% 0.094 154.7), rgb(31, 100, 61).

Aa

White text reads best on this color (7.12:1).

About this color

#1F643D is a dark, moderately saturated green. In OKLCH its lightness is 45%, its chroma 0.094 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.021 away. White text reads best on it, at 7.12:1.

Hue familyGreens
Lightnessdark (45%)
Chromamoderately saturated (0.094)
Temperaturein between
Nearest nameSpruce (#0A5F38)
Black text2.94:1
White text7.12:1

Values

HEX#1F643D
RGBrgb(31, 100, 61)
HSLhsl(146, 53%, 26%)
OKLCHoklch(44.9% 0.094 154.7)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #1F643D 7.12:1 AAA Lc -89.3 Fine for body text
Black text on #1F643D 2.94:1 Fails Lc 19.6 Dividers and decoration only
#1F643D text on white 7.12:1 AAA Lc 84.4 Fine for body text
#1F643D text on black 2.94:1 Fails Lc -17.6 Dividers and decoration only

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.

  1. Step 50

    50

    #F2F7F3

    oklch(97.1% 0.007 151.9)

  2. Step 100

    100

    #E2EDE5

    oklch(93.6% 0.016 154.5)

  3. Step 200

    200

    #CADFD0

    oklch(88.4% 0.03 154.6)

  4. Step 300

    300

    #A5CCB1

    oklch(80.9% 0.056 154.8)

  5. Step 400

    400

    #73B188

    oklch(70.7% 0.088 154.6)

  6. Step 500

    500

    #4A9D6B

    oklch(63% 0.112 155)

  7. Step 600

    600

    #268852

    oklch(55.7% 0.123 154.5)

  8. Step 700

    700

    #167343

    oklch(49.1% 0.113 154.9)

  9. Step 800

    800 (this color)

    #1F643D

    oklch(44.9% 0.094 154.7)

  10. Step 900

    900

    #1B4D30

    oklch(37.8% 0.073 155)

  11. Step 950

    950

    #122D1C

    oklch(27% 0.046 154.3)

Export this scale for Tailwind in the Tailwind colors tool

#1F643D with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#645C3A0.083
Deuteranopia (no green cones)#5B55400.083
Tritanopia (no blue cones)#00635A0.046
Achromatopsia (no color)#5858580.095

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #1F643D

    #1F643D

    oklch(44.9% 0.094 154.7)

  • #743F6A

    #743F6A

    oklch(44.8% 0.095 334.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1F643D

    #1F643D

    oklch(44.9% 0.094 154.7)

  • #495E1C

    #495E1C

    oklch(45% 0.095 125.2)

  • #00635B

    #00635B

    oklch(44.9% 0.079 185.3)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #1F643D

    #1F643D

    oklch(44.9% 0.094 154.7)

  • #61467F

    #61467F

    oklch(44.9% 0.095 304.7)

  • #7F3C4E

    #7F3C4E

    oklch(44.8% 0.094 4.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1F643D

    #1F643D

    oklch(44.9% 0.094 154.7)

  • #465089

    #465089

    oklch(45% 0.094 274.5)

  • #814030

    #814030

    oklch(45.1% 0.094 34.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1F643D

    #1F643D

    oklch(44.9% 0.094 154.7)

  • #1E5985

    #1E5985

    oklch(44.8% 0.094 245)

  • #743F6A

    #743F6A

    oklch(44.8% 0.095 334.4)

  • #78480E

    #78480E

    oklch(44.8% 0.094 64.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1F643D, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #1F643D in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.