#231F00
Closest named color: Dark Brown (#341C02). oklch(23.6% 0.05 102.5), rgb(35, 31, 0).
Aa
White text reads best on this color (16.56:1).
About this color
#231F00 is a very dark, muted brown. In OKLCH its lightness is 24%, its chroma 0.050 and its hue 103°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.038 away. White text reads best on it, at 16.56:1.
| Hue family | Browns |
| Lightness | very dark (24%) |
| Chroma | muted (0.050) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.26:1 |
| White text | 16.56:1 |
Values
| HEX | #231F00 |
| RGB | rgb(35, 31, 0) |
| HSL | hsl(53, 100%, 7%) |
| OKLCH | oklch(23.6% 0.05 102.5) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #231F00 | 16.56:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #231F00 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #231F00 text on white | 16.56:1 | AAA | Lc 103.4 | Preferred for body text |
| #231F00 text on black | 1.26:1 | 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.
-
Step 50
50
#F6F6F0
oklch(97.1% 0.008 106.5)
-
Step 100
100
#ECEBDE
oklch(93.7% 0.017 103.2)
-
Step 200
200
#DDDAC2
oklch(88.4% 0.032 101.2)
-
Step 300
300
#C7C397
oklch(80.9% 0.059 103.3)
-
Step 400
400
#ACA35B
oklch(70.7% 0.094 102.2)
-
Step 500
500
#988C23
oklch(63.2% 0.121 102.5)
-
Step 600
600
#817500
oklch(55.6% 0.117 102.3)
-
Step 700
700
#6C6200
oklch(49% 0.103 102.5)
-
Step 800
800
#595000
oklch(42.7% 0.089 102)
-
Step 900
900
#4A4301
oklch(37.8% 0.079 102.7)
-
Step 950
950 (this color)
#231F00
oklch(23.6% 0.05 102.5)
#231F00 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #231E00 | 0.003 |
| Deuteranopia (no green cones) | #241F01 | 0.003 |
| Tritanopia (no blue cones) | #271C19 | 0.046 |
| Achromatopsia (no color) | #1F1F1F | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231F00
#231F00
oklch(23.6% 0.05 102.5)
- #1B1B35
#1B1B35
oklch(23.7% 0.049 282)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #231F00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.038
- Very Dark Green #062E03 ΔE 0.060
- Dark Forest Green #002D04 ΔE 0.061
- Jet #212529 ΔE 0.063
- Chocolate Brown #411900 ΔE 0.067
- Dark #1B2431 ΔE 0.079
- Pakistan Green #283618 ΔE 0.079
- Rich Black #0D1B2A ΔE 0.084
Use #231F00 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.