#231310
Closest named color: Dark Brown (#341C02). oklch(20.8% 0.027 31.1), rgb(35, 19, 16).
Aa
White text reads best on this color (17.91:1).
About this color
#231310 is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Dark Brown (#341C02), ΔE 0.057 away. White text reads best on it, at 17.91:1.
| Hue family | Neutrals |
| Lightness | very dark (21%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.17:1 |
| White text | 17.91:1 |
Values
| HEX | #231310 |
| RGB | rgb(35, 19, 16) |
| HSL | hsl(9, 37%, 10%) |
| OKLCH | oklch(20.8% 0.027 31.1) |
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 #231310 | 17.91:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #231310 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #231310 text on white | 17.91:1 | AAA | Lc 104.6 | Preferred for body text |
| #231310 text on black | 1.17:1 | 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
#F8F4F4
oklch(97% 0.004 17.2)
-
Step 100
100
#F0E8E6
oklch(93.7% 0.009 34.3)
-
Step 200
200
#E5D5D2
oklch(88.5% 0.018 30.3)
-
Step 300
300
#D5B9B4
oklch(80.8% 0.033 29.8)
-
Step 400
400
#BF958D
oklch(70.7% 0.052 30.8)
-
Step 500
500
#AE7B71
oklch(63.2% 0.066 31.4)
-
Step 600
600
#996359
oklch(55.5% 0.073 31)
-
Step 700
700
#835249
oklch(49.1% 0.068 31)
-
Step 800
800
#6A433C
oklch(42.6% 0.056 30.7)
-
Step 900
900
#563933
oklch(37.6% 0.043 32.1)
-
Step 950
950 (this color)
#231310
oklch(20.8% 0.027 31.1)
#231310 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) | #171510 | 0.026 |
| Deuteranopia (no green cones) | #1A1810 | 0.025 |
| Tritanopia (no blue cones) | #261112 | 0.011 |
| Achromatopsia (no color) | #171717 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231310
#231310
oklch(20.8% 0.027 31.1)
- #071B1F
#071B1F
oklch(20.8% 0.027 212.4)
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 #231310, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.057
- Rich Black #0D1B2A ΔE 0.060
- Very Dark Brown #1D0200 ΔE 0.063
- Jet #212529 ΔE 0.065
- Dark Maroon #3C0008 ΔE 0.066
- Almost Black #070D0D ΔE 0.067
- Rich Navy #001219 ΔE 0.070
- Dark #1B2431 ΔE 0.071
Use #231310 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.