#210A0D
Closest named color: Very Dark Brown (#1D0200). oklch(18.4% 0.04 13.7), rgb(33, 10, 13).
Aa
White text reads best on this color (18.85:1).
About this color
#210A0D is a very dark, muted red. In OKLCH its lightness is 18%, its chroma 0.040 and its hue 14°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.039 away. White text reads best on it, at 18.85:1.
| 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 | 18.85:1 |
Values
| HEX | #210A0D |
| RGB | rgb(33, 10, 13) |
| HSL | hsl(352, 53%, 8%) |
| OKLCH | oklch(18.4% 0.04 13.7) |
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 #210A0D | 18.85:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #210A0D | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #210A0D text on white | 18.85:1 | AAA | Lc 105.2 | Preferred for body text |
| #210A0D 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
#FAF4F4
oklch(97.2% 0.006 17.3)
-
Step 100
100
#F3E6E7
oklch(93.6% 0.014 12)
-
Step 200
200
#EAD3D4
oklch(88.6% 0.026 14.6)
-
Step 300
300
#DDB5B7
oklch(80.9% 0.046 14.8)
-
Step 400
400
#CB8D93
oklch(70.6% 0.076 12.8)
-
Step 500
500
#BC7078
oklch(63% 0.097 13.4)
-
Step 600
600
#A75861
oklch(55.6% 0.104 13.8)
-
Step 700
700
#8F4750
oklch(49% 0.098 13.5)
-
Step 800
800
#743B42
oklch(42.7% 0.08 13.3)
-
Step 900
900
#5E3338
oklch(37.7% 0.062 13)
-
Step 950
950 (this color)
#210A0D
oklch(18.4% 0.04 13.7)
#210A0D 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) | #0F0E0D | 0.043 |
| Deuteranopia (no green cones) | #15130D | 0.039 |
| Tritanopia (no blue cones) | #25070B | 0.012 |
| Achromatopsia (no color) | #111111 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #210A0D
#210A0D
oklch(18.4% 0.04 13.7)
- #001716
#001716
oklch(18.5% 0.032 191.1)
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 #210A0D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.039
- Almost Black #070D0D ΔE 0.059
- Dark Maroon #3C0008 ΔE 0.066
- Rich Navy #001219 ΔE 0.070
- Rich Black #0D1B2A ΔE 0.074
- Deep Brown #410200 ΔE 0.079
- Dark Brown #341C02 ΔE 0.082
- Very Dark Purple #2A0134 ΔE 0.087
Use #210A0D 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.