#211603
Closest named color: Dark Brown (#341C02). oklch(20.9% 0.037 80.4), rgb(33, 22, 3).
Aa
White text reads best on this color (17.78:1).
About this color
#211603 is a very dark, muted brown. In OKLCH its lightness is 21%, its chroma 0.037 and its hue 80°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.049 away. White text reads best on it, at 17.78:1.
| Hue family | Browns |
| Lightness | very dark (21%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.18:1 |
| White text | 17.78:1 |
Values
| HEX | #211603 |
| RGB | rgb(33, 22, 3) |
| HSL | hsl(38, 83%, 7%) |
| OKLCH | oklch(20.9% 0.037 80.4) |
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 #211603 | 17.78:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #211603 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #211603 text on white | 17.78:1 | AAA | Lc 104.5 | Preferred for body text |
| #211603 text on black | 1.18:1 | 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
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#EEE9E0
oklch(93.5% 0.013 82.4)
-
Step 200
200
#E2D8C7
oklch(88.6% 0.025 81.1)
-
Step 300
300
#D0BEA1
oklch(80.9% 0.044 79.7)
-
Step 400
400
#B89C6D
oklch(70.7% 0.071 80.1)
-
Step 500
500
#A68345
oklch(63% 0.091 80.2)
-
Step 600
600
#916C25
oklch(55.5% 0.098 80.1)
-
Step 700
700
#7C5A17
oklch(49.1% 0.092 79.7)
-
Step 800
800
#644A16
oklch(42.7% 0.076 81.1)
-
Step 900
900
#523E19
oklch(37.7% 0.06 80.6)
-
Step 950
950 (this color)
#211603
oklch(20.9% 0.037 80.4)
#211603 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) | #1A1602 | 0.016 |
| Deuteranopia (no green cones) | #1D1903 | 0.013 |
| Tritanopia (no blue cones) | #251312 | 0.033 |
| Achromatopsia (no color) | #181818 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #211603
#211603
oklch(20.9% 0.037 80.4)
- #0E1829
#0E1829
oklch(20.9% 0.037 260.6)
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 #211603, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.049
- Very Dark Brown #1D0200 ΔE 0.070
- Jet #212529 ΔE 0.071
- Almost Black #070D0D ΔE 0.071
- Rich Black #0D1B2A ΔE 0.073
- Chocolate Brown #411900 ΔE 0.075
- Rich Navy #001219 ΔE 0.077
- Dark Maroon #3C0008 ΔE 0.080
Use #211603 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.