#210D03
Closest named color: Very Dark Brown (#1D0200). oklch(18.7% 0.04 49.9), rgb(33, 13, 3).
Aa
White text reads best on this color (18.69:1).
About this color
#210D03 is a very dark, muted brown. In OKLCH its lightness is 19%, its chroma 0.040 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.040 away. White text reads best on it, at 18.69:1.
| Hue family | Browns |
| Lightness | very dark (19%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.12:1 |
| White text | 18.69:1 |
Values
| HEX | #210D03 |
| RGB | rgb(33, 13, 3) |
| HSL | hsl(20, 83%, 7%) |
| OKLCH | oklch(18.7% 0.04 49.9) |
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 #210D03 | 18.69:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #210D03 | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #210D03 text on white | 18.69:1 | AAA | Lc 105.1 | Preferred for body text |
| #210D03 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F2E7E2
oklch(93.5% 0.014 46.2)
-
Step 200
200
#E8D5CA
oklch(88.6% 0.026 52.2)
-
Step 300
300
#DBB8A6
oklch(80.8% 0.048 48.8)
-
Step 400
400
#C89376
oklch(70.7% 0.076 49.8)
-
Step 500
500
#B97752
oklch(63.1% 0.098 49.6)
-
Step 600
600
#A45F36
oklch(55.6% 0.106 49.9)
-
Step 700
700
#8C4E29
oklch(49% 0.098 49.7)
-
Step 800
800
#724023
oklch(42.6% 0.081 49.4)
-
Step 900
900
#5C3721
oklch(37.7% 0.063 50.6)
-
Step 950
950 (this color)
#210D03
oklch(18.7% 0.04 49.9)
#210D03 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) | #131002 | 0.034 |
| Deuteranopia (no green cones) | #171403 | 0.032 |
| Tritanopia (no blue cones) | #25090A | 0.023 |
| Achromatopsia (no color) | #121212 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #210D03
#210D03
oklch(18.7% 0.04 49.9)
- #001620
#001620
oklch(18.7% 0.037 228.6)
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 #210D03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.040
- Almost Black #070D0D ΔE 0.060
- Dark Brown #341C02 ΔE 0.069
- Dark Maroon #3C0008 ΔE 0.070
- Rich Navy #001219 ΔE 0.074
- Deep Brown #410200 ΔE 0.077
- Rich Black #0D1B2A ΔE 0.080
- Chocolate Brown #411900 ΔE 0.089
Use #210D03 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.