#231C01
Closest named color: Dark Brown (#341C02). oklch(22.8% 0.045 95.4), rgb(35, 28, 1).
Aa
White text reads best on this color (16.96:1).
About this color
#231C01 is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.045 and its hue 95°. 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 16.96:1.
| Hue family | Browns |
| Lightness | very dark (23%) |
| Chroma | muted (0.045) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.23:1 |
| White text | 16.96:1 |
Values
| HEX | #231C01 |
| RGB | rgb(35, 28, 1) |
| HSL | hsl(48, 94%, 7%) |
| OKLCH | oklch(22.8% 0.045 95.4) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #231C01 | 16.96:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #231C01 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #231C01 text on white | 16.96:1 | AAA | Lc 103.8 | Preferred for body text |
| #231C01 text on black | 1.23:1 | 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
#F7F5F0
oklch(97% 0.007 88.6)
-
Step 100
100
#EDEADF
oklch(93.6% 0.015 94.2)
-
Step 200
200
#DFD9C4
oklch(88.4% 0.029 93.8)
-
Step 300
300
#CBC19A
oklch(80.9% 0.054 95.4)
-
Step 400
400
#B1A061
oklch(70.6% 0.085 94.8)
-
Step 500
500
#9E8830
oklch(63% 0.109 94.9)
-
Step 600
600
#887200
oklch(55.6% 0.114 95.6)
-
Step 700
700
#725F00
oklch(49% 0.101 95.4)
-
Step 800
800
#5E4E00
oklch(42.8% 0.088 95.4)
-
Step 900
900
#4D410A
oklch(37.7% 0.072 95.9)
-
Step 950
950 (this color)
#231C01
oklch(22.8% 0.045 95.4)
#231C01 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) | #201B00 | 0.008 |
| Deuteranopia (no green cones) | #221D02 | 0.004 |
| Tritanopia (no blue cones) | #271916 | 0.040 |
| Achromatopsia (no color) | #1C1C1C | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231C01
#231C01
oklch(22.8% 0.045 95.4)
- #171A31
#171A31
oklch(22.8% 0.045 276.6)
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 #231C01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.038
- Jet #212529 ΔE 0.064
- Chocolate Brown #411900 ΔE 0.067
- Dark Forest Green #002D04 ΔE 0.070
- Very Dark Green #062E03 ΔE 0.070
- Dark #1B2431 ΔE 0.078
- Rich Black #0D1B2A ΔE 0.080
- Deep Brown #410200 ΔE 0.086
Use #231C01 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.