#210D00
Closest named color: Very Dark Brown (#1D0200). oklch(18.6% 0.044 58.6), rgb(33, 13, 0).
Aa
White text reads best on this color (18.71:1).
About this color
#210D00 is a very dark, muted brown. In OKLCH its lightness is 19%, its chroma 0.044 and its hue 59°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.042 away. White text reads best on it, at 18.71:1.
| Hue family | Browns |
| Lightness | very dark (19%) |
| Chroma | muted (0.044) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.12:1 |
| White text | 18.71:1 |
Values
| HEX | #210D00 |
| RGB | rgb(33, 13, 0) |
| HSL | hsl(24, 100%, 6%) |
| OKLCH | oklch(18.6% 0.044 58.6) |
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 #210D00 | 18.71:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #210D00 | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #210D00 text on white | 18.71:1 | AAA | Lc 105.1 | Preferred for body text |
| #210D00 text on black | 1.12:1 | 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E8E0
oklch(93.7% 0.015 61.3)
-
Step 200
200
#E9D5C7
oklch(88.6% 0.029 57.3)
-
Step 300
300
#DBB9A0
oklch(80.9% 0.052 58.3)
-
Step 400
400
#C8946B
oklch(70.7% 0.084 59.1)
-
Step 500
500
#B97842
oklch(63% 0.107 58.7)
-
Step 600
600
#A56020
oklch(55.7% 0.117 58.7)
-
Step 700
700
#8D4F12
oklch(49.1% 0.108 58.7)
-
Step 800
800
#734113
oklch(42.8% 0.09 58.4)
-
Step 900
900
#5D3718
oklch(37.7% 0.07 57.4)
-
Step 950
950 (this color)
#210D00
oklch(18.6% 0.044 58.6)
#210D00 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) | #130F00 | 0.034 |
| Deuteranopia (no green cones) | #181400 | 0.030 |
| Tritanopia (no blue cones) | #250809 | 0.031 |
| Achromatopsia (no color) | #121212 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #210D00
#210D00
oklch(18.6% 0.044 58.6)
- #001523
#001523
oklch(18.6% 0.041 238.2)
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 #210D00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.042
- Almost Black #070D0D ΔE 0.062
- Dark Brown #341C02 ΔE 0.068
- Dark Maroon #3C0008 ΔE 0.073
- Rich Navy #001219 ΔE 0.077
- Deep Brown #410200 ΔE 0.079
- Rich Black #0D1B2A ΔE 0.085
- Chocolate Brown #411900 ΔE 0.088
Use #210D00 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.