#210D0E
Closest named color: Very Dark Brown (#1D0200). oklch(19% 0.034 17.7), rgb(33, 13, 14).
Aa
White text reads best on this color (18.60:1).
About this color
#210D0E is a very dark, muted red. In OKLCH its lightness is 19%, its chroma 0.034 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.045 away. White text reads best on it, at 18.60:1.
| Hue family | Reds |
| Lightness | very dark (19%) |
| Chroma | muted (0.034) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.12:1 |
| White text | 18.60:1 |
Values
| HEX | #210D0E |
| RGB | rgb(33, 13, 14) |
| HSL | hsl(357, 43%, 9%) |
| OKLCH | oklch(19% 0.034 17.7) |
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 #210D0E | 18.60:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #210D0E | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #210D0E text on white | 18.60:1 | AAA | Lc 105.1 | Preferred for body text |
| #210D0E 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F2E7E7
oklch(93.7% 0.012 17.4)
-
Step 200
200
#E8D4D3
oklch(88.6% 0.022 21)
-
Step 300
300
#DAB7B7
oklch(81% 0.04 18)
-
Step 400
400
#C69192
oklch(70.8% 0.064 17.6)
-
Step 500
500
#B67577
oklch(63.1% 0.082 17.6)
-
Step 600
600
#A15D5F
oklch(55.6% 0.089 18.5)
-
Step 700
700
#8A4C4F
oklch(49.1% 0.084 17.5)
-
Step 800
800
#703F41
oklch(42.8% 0.069 17.7)
-
Step 900
900
#5B3537
oklch(37.6% 0.055 16.6)
-
Step 950
950 (this color)
#210D0E
oklch(19% 0.034 17.7)
#210D0E 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) | #11100E | 0.037 |
| Deuteranopia (no green cones) | #16140E | 0.033 |
| Tritanopia (no blue cones) | #240B0D | 0.008 |
| Achromatopsia (no color) | #131313 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #210D0E
#210D0E
oklch(19% 0.034 17.7)
- #001819
#001819
oklch(19% 0.032 198.4)
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 #210D0E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.045
- Almost Black #070D0D ΔE 0.058
- Dark Maroon #3C0008 ΔE 0.066
- Rich Navy #001219 ΔE 0.068
- Rich Black #0D1B2A ΔE 0.068
- Dark Brown #341C02 ΔE 0.075
- Deep Brown #410200 ΔE 0.078
- Jet #212529 ΔE 0.083
Use #210D0E 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.