#1F0601

Closest named color: Very Dark Brown (#1D0200). oklch(16.7% 0.048 39.8), rgb(31, 6, 1).

Aa

White text reads best on this color (19.35:1).

About this color

#1F0601 is a very dark, muted red. In OKLCH its lightness is 17%, its chroma 0.048 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.018 away. White text reads best on it, at 19.35:1.

Hue familyReds
Lightnessvery dark (17%)
Chromamuted (0.048)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.08:1
White text19.35:1

Values

HEX#1F0601
RGBrgb(31, 6, 1)
HSLhsl(10, 94%, 6%)
OKLCHoklch(16.7% 0.048 39.8)

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 #1F0601 19.35:1 AAA Lc -107.4 Preferred for body text
Black text on #1F0601 1.08:1 Fails Lc 0.0 Not readable
#1F0601 text on white 19.35:1 AAA Lc 105.4 Preferred for body text
#1F0601 text on black 1.08:1 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

    #FAF4F2

    oklch(97.1% 0.007 39.5)

  2. Step 100

    100

    #F4E6E2

    oklch(93.5% 0.016 36.5)

  3. Step 200

    200

    #EDD3CA

    oklch(88.6% 0.032 40.1)

  4. Step 300

    300

    #E2B5A6

    oklch(80.9% 0.057 39.2)

  5. Step 400

    400

    #D18D76

    oklch(70.6% 0.09 39.5)

  6. Step 500

    500

    #C46F52

    oklch(63.1% 0.116 39.5)

  7. Step 600

    600

    #AF5636

    oklch(55.6% 0.125 40)

  8. Step 700

    700

    #964629

    oklch(49.1% 0.116 40)

  9. Step 800

    800

    #7A3A23

    oklch(42.7% 0.096 40)

  10. Step 900

    900

    #633221

    oklch(37.7% 0.076 39.7)

  11. Step 950

    950 (this color)

    #1F0601

    oklch(16.7% 0.048 39.8)

Export this scale for Tailwind in the Tailwind colors tool

#1F0601 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)#0D0A010.046
Deuteranopia (no green cones)#1310010.043
Tritanopia (no blue cones)#2302050.023
Achromatopsia (no color)#0E0E0E0.048

Harmonies

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

Complementary

The opposite hue (180°).

  • #1F0601

    #1F0601

    oklch(16.7% 0.048 39.8)

  • #001218

    #001218

    oklch(16.8% 0.03 219.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1F0601

    #1F0601

    oklch(16.7% 0.048 39.8)

  • #1F050A

    #1F050A

    oklch(16.8% 0.047 10.3)

  • #190B00

    #190B00

    oklch(16.7% 0.037 67.3)

Open the analogous palette in the generator

Split complementary

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

  • #1F0601

    #1F0601

    oklch(16.7% 0.048 39.8)

  • #001311

    #001311

    oklch(16.8% 0.029 186.6)

  • #000F22

    #000F22

    oklch(16.6% 0.047 250.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1F0601

    #1F0601

    oklch(16.7% 0.048 39.8)

  • #001409

    #001409

    oklch(16.9% 0.038 159.5)

  • #0B0B23

    #0B0B23

    oklch(16.6% 0.049 279.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1F0601

    #1F0601

    oklch(16.7% 0.048 39.8)

  • #081200

    #081200

    oklch(16.6% 0.045 129.9)

  • #001218

    #001218

    oklch(16.8% 0.03 219.2)

  • #15081E

    #15081E

    oklch(16.8% 0.047 309.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1F0601, closest first.

Similar named colors

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

Use #1F0601 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.