#1C1503
Closest named color: Dark Brown (#341C02). oklch(19.9% 0.034 89.7), rgb(28, 21, 3).
Aa
White text reads best on this color (18.13:1).
About this color
#1C1503 is a very dark, muted brown. In OKLCH its lightness is 20%, its chroma 0.034 and its hue 90°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.061 away. White text reads best on it, at 18.13:1.
| Hue family | Browns |
| Lightness | very dark (20%) |
| Chroma | muted (0.034) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.15:1 |
| White text | 18.13:1 |
Values
| HEX | #1C1503 |
| RGB | rgb(28, 21, 3) |
| HSL | hsl(43, 81%, 6%) |
| OKLCH | oklch(19.9% 0.034 89.7) |
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 #1C1503 | 18.13:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #1C1503 | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #1C1503 text on white | 18.13:1 | AAA | Lc 104.8 | Preferred for body text |
| #1C1503 text on black | 1.15:1 | 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
#EDEAE1
oklch(93.7% 0.012 91.5)
-
Step 200
200
#DFD9C9
oklch(88.6% 0.023 89.8)
-
Step 300
300
#CBC0A3
oklch(80.9% 0.041 89.7)
-
Step 400
400
#B19F71
oklch(70.7% 0.066 89.1)
-
Step 500
500
#9D874B
oklch(63% 0.084 89.8)
-
Step 600
600
#88712D
oklch(55.7% 0.091 90.4)
-
Step 700
700
#745E20
oklch(49.1% 0.084 89.1)
-
Step 800
800
#5E4D1C
oklch(42.7% 0.07 89.9)
-
Step 900
900
#4D401D
oklch(37.7% 0.054 89.3)
-
Step 950
950 (this color)
#1C1503
oklch(19.9% 0.034 89.7)
#1C1503 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) | #191502 | 0.007 |
| Deuteranopia (no green cones) | #1A1704 | 0.008 |
| Tritanopia (no blue cones) | #1F1211 | 0.032 |
| Achromatopsia (no color) | #161616 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C1503
#1C1503
oklch(19.9% 0.034 89.7)
- #101526
#101526
oklch(20% 0.035 270.5)
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 #1C1503, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.061
- Almost Black #070D0D ΔE 0.061
- Very Dark Brown #1D0200 ΔE 0.066
- Rich Navy #001219 ΔE 0.068
- Rich Black #0D1B2A ΔE 0.072
- Jet #212529 ΔE 0.076
- Dark #1B2431 ΔE 0.085
- Chocolate Brown #411900 ΔE 0.087
Use #1C1503 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.