#210A0F
Closest named color: Very Dark Brown (#1D0200). oklch(18.4% 0.04 8.2), rgb(33, 10, 15).
Aa
White text reads best on this color (18.83:1).
About this color
#210A0F is a very dark, muted red. In OKLCH its lightness is 18%, its chroma 0.040 and its hue 8°. 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 18.83:1.
| 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 | #210A0F |
| RGB | rgb(33, 10, 15) |
| HSL | hsl(347, 53%, 8%) |
| OKLCH | oklch(18.4% 0.04 8.2) |
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 #210A0F | 18.83:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #210A0F | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #210A0F text on white | 18.83:1 | AAA | Lc 105.2 | Preferred for body text |
| #210A0F 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
#F3E6E8
oklch(93.6% 0.014 6.7)
-
Step 200
200
#EAD2D6
oklch(88.5% 0.027 6.2)
-
Step 300
300
#DDB5BB
oklch(81% 0.047 8)
-
Step 400
400
#CB8D97
oklch(70.7% 0.076 8.6)
-
Step 500
500
#BC707E
oklch(63.2% 0.097 8.3)
-
Step 600
600
#A75767
oklch(55.6% 0.106 8.4)
-
Step 700
700
#8F4756
oklch(49.2% 0.098 8.2)
-
Step 800
800
#743B46
oklch(42.8% 0.081 8.8)
-
Step 900
900
#5E333B
oklch(37.8% 0.063 8.6)
-
Step 950
950 (this color)
#210A0F
oklch(18.4% 0.04 8.2)
#210A0F 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) | #0E0F0F | 0.045 |
| Deuteranopia (no green cones) | #14130E | 0.041 |
| Tritanopia (no blue cones) | #24080C | 0.009 |
| Achromatopsia (no color) | #111111 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #210A0F
#210A0F
oklch(18.4% 0.04 8.2)
- #001715
#001715
oklch(18.4% 0.032 187.5)
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 #210A0F, 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 0.059
- Dark Maroon #3C0008 ΔE 0.066
- Rich Navy #001219 ΔE 0.070
- Rich Black #0D1B2A ΔE 0.073
- Deep Brown #410200 ΔE 0.080
- Very Dark Purple #2A0134 ΔE 0.083
- Dark Brown #341C02 ΔE 0.083
Use #210A0F 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.