#1F091F

Closest named color: Very Dark Purple (#2A0134). oklch(18.7% 0.053 327.4), rgb(31, 9, 31).

Aa

White text reads best on this color (18.79:1).

About this color

#1F091F is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.053 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.052 away. White text reads best on it, at 18.79:1.

Hue familyPurples
Lightnessvery dark (19%)
Chromamuted (0.053)
Temperaturein between
Nearest nameVery Dark Purple (#2A0134)
Black text1.11:1
White text18.79:1

Values

HEX#1F091F
RGBrgb(31, 9, 31)
HSLhsl(300, 55%, 8%)
OKLCHoklch(18.7% 0.053 327.4)

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 #1F091F 18.79:1 AAA Lc -107.2 Preferred for body text
Black text on #1F091F 1.11:1 Fails Lc 0.0 Not readable
#1F091F text on white 18.79:1 AAA Lc 105.1 Preferred for body text
#1F091F text on black 1.11:1 Fails Lc 0.0 Not readable

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 950.

  1. Step 50

    50

    #F9F4F8

    oklch(97.2% 0.007 332.1)

  2. Step 100

    100

    #F1E6F0

    oklch(93.6% 0.018 328.5)

  3. Step 200

    200

    #E6D1E5

    oklch(88.4% 0.035 327.3)

  4. Step 300

    300

    #D7B3D6

    oklch(80.9% 0.063 327)

  5. Step 400

    400

    #C28AC1

    oklch(70.7% 0.1 327.2)

  6. Step 500

    500

    #B26CB1

    oklch(63.2% 0.127 327.5)

  7. Step 600

    600

    #9D529D

    oklch(55.6% 0.139 327.2)

  8. Step 700

    700

    #864286

    oklch(49.1% 0.13 327.3)

  9. Step 800

    800

    #6D376D

    oklch(42.7% 0.107 327.2)

  10. Step 900

    900

    #593058

    oklch(37.7% 0.084 328)

  11. Step 950

    950 (this color)

    #1F091F

    oklch(18.7% 0.053 327.4)

Export this scale for Tailwind in the Tailwind colors tool

#1F091F 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)#0710200.053
Deuteranopia (no green cones)#0E131E0.047
Tritanopia (no blue cones)#200B120.030
Achromatopsia (no color)#1212120.053

Harmonies

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

Complementary

The opposite hue (180°).

  • #1F091F

    #1F091F

    oklch(18.7% 0.053 327.4)

  • #011905

    #011905

    oklch(18.7% 0.052 147.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1F091F

    #1F091F

    oklch(18.7% 0.053 327.4)

  • #160D27

    #160D27

    oklch(18.7% 0.052 297.1)

  • #240713

    #240713

    oklch(18.6% 0.052 357.4)

Open the analogous palette in the generator

Split complementary

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

  • #1F091F

    #1F091F

    oklch(18.7% 0.053 327.4)

  • #121500

    #121500

    oklch(18.6% 0.043 116.2)

  • #001813

    #001813

    oklch(18.7% 0.034 177.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1F091F

    #1F091F

    oklch(18.7% 0.053 327.4)

  • #1A1200

    #1A1200

    oklch(18.7% 0.038 89.1)

  • #00171A

    #00171A

    oklch(18.7% 0.032 205.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1F091F

    #1F091F

    oklch(18.7% 0.053 327.4)

  • #220D00

    #220D00

    oklch(18.8% 0.045 57.1)

  • #011905

    #011905

    oklch(18.7% 0.052 147.6)

  • #001523

    #001523

    oklch(18.6% 0.041 238.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1F091F, closest first.

Similar named colors

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

Use #1F091F 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.