#1B0803
Closest named color: Very Dark Brown (#1D0200). oklch(16.4% 0.037 41), rgb(27, 8, 3).
Aa
White text reads best on this color (19.39:1).
About this color
#1B0803 is a very dark, muted brown. In OKLCH its lightness is 16%, its chroma 0.037 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.022 away. White text reads best on it, at 19.39:1.
| Hue family | Browns |
| Lightness | very dark (16%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.08:1 |
| White text | 19.39:1 |
Values
| HEX | #1B0803 |
| RGB | rgb(27, 8, 3) |
| HSL | hsl(13, 80%, 6%) |
| OKLCH | oklch(16.4% 0.037 41) |
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 #1B0803 | 19.39:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #1B0803 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #1B0803 text on white | 19.39:1 | AAA | Lc 105.5 | Preferred for body text |
| #1B0803 text on black | 1.08:1 | 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
#F2E7E3
oklch(93.6% 0.013 41.2)
-
Step 200
200
#E8D4CD
oklch(88.4% 0.024 40.3)
-
Step 300
300
#DAB8AB
oklch(80.9% 0.043 42)
-
Step 400
400
#C7927F
oklch(70.6% 0.07 40.6)
-
Step 500
500
#B8775F
oklch(63.2% 0.089 41)
-
Step 600
600
#A35F45
oklch(55.7% 0.097 41.5)
-
Step 700
700
#8B4E37
oklch(49.1% 0.09 41.2)
-
Step 800
800
#71402E
oklch(42.7% 0.074 40.8)
-
Step 900
900
#5C3729
oklch(37.8% 0.058 41.4)
-
Step 950
950 (this color)
#1B0803
oklch(16.4% 0.037 41)
#1B0803 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) | #0D0B03 | 0.035 |
| Deuteranopia (no green cones) | #120F03 | 0.032 |
| Tritanopia (no blue cones) | #1F0507 | 0.020 |
| Achromatopsia (no color) | #0D0D0D | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B0803
#1B0803
oklch(16.4% 0.037 41)
- #001117
#001117
oklch(16.4% 0.03 219.9)
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 #1B0803, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.022
- Almost Black #070D0D ΔE 0.047
- Rich Navy #001219 ΔE 0.068
- Dark Maroon #3C0008 ΔE 0.084
- Rich Black #0D1B2A ΔE 0.088
- Dark Brown #341C02 ΔE 0.093
- Deep Brown #410200 ΔE 0.094
- Jet #212529 ΔE 0.108
Use #1B0803 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.