#210B06
Closest named color: Very Dark Brown (#1D0200). oklch(18.3% 0.04 35.4), rgb(33, 11, 6).
Aa
White text reads best on this color (18.83:1).
About this color
#210B06 is a very dark, muted red. In OKLCH its lightness is 18%, its chroma 0.040 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.035 away. White text reads best on it, at 18.83:1.
| Hue family | Reds |
| Lightness | very dark (18%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.11:1 |
| White text | 18.83:1 |
Values
| HEX | #210B06 |
| RGB | rgb(33, 11, 6) |
| HSL | hsl(11, 69%, 8%) |
| OKLCH | oklch(18.3% 0.04 35.4) |
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 #210B06 | 18.83:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #210B06 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #210B06 text on white | 18.83:1 | AAA | Lc 105.2 | Preferred for body text |
| #210B06 text on black | 1.11:1 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F3E7E4
oklch(93.7% 0.014 34.3)
-
Step 200
200
#EAD3CE
oklch(88.4% 0.027 32.2)
-
Step 300
300
#DDB7AC
oklch(81% 0.047 36.7)
-
Step 400
400
#CB9081
oklch(70.7% 0.076 34.8)
-
Step 500
500
#BC7461
oklch(63.2% 0.096 35.6)
-
Step 600
600
#A75B47
oklch(55.6% 0.105 35.7)
-
Step 700
700
#8F4A39
oklch(49% 0.098 34.9)
-
Step 800
800
#743D2F
oklch(42.6% 0.081 35.3)
-
Step 900
900
#5E352A
oklch(37.7% 0.062 35.9)
-
Step 950
950 (this color)
#210B06
oklch(18.3% 0.04 35.4)
#210B06 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) | #110E06 | 0.038 |
| Deuteranopia (no green cones) | #161306 | 0.036 |
| Tritanopia (no blue cones) | #25070A | 0.018 |
| Achromatopsia (no color) | #111111 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #210B06
#210B06
oklch(18.3% 0.04 35.4)
- #00161B
#00161B
oklch(18.4% 0.032 213.4)
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 #210B06, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.035
- Almost Black #070D0D ΔE 0.058
- Dark Maroon #3C0008 ΔE 0.068
- Rich Navy #001219 ΔE 0.072
- Dark Brown #341C02 ΔE 0.075
- Deep Brown #410200 ΔE 0.077
- Rich Black #0D1B2A ΔE 0.079
- Jet #212529 ΔE 0.092
Use #210B06 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.