#180902
Closest named color: Very Dark Brown (#1D0200). oklch(16.1% 0.033 53.3), rgb(24, 9, 2).
Aa
White text reads best on this color (19.46:1).
About this color
#180902 is a very dark, muted brown. In OKLCH its lightness is 16%, its chroma 0.033 and its hue 53°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.027 away. White text reads best on it, at 19.46:1.
| Hue family | Browns |
| Lightness | very dark (16%) |
| Chroma | muted (0.033) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.07:1 |
| White text | 19.46:1 |
Values
| HEX | #180902 |
| RGB | rgb(24, 9, 2) |
| HSL | hsl(19, 85%, 5%) |
| OKLCH | oklch(16.1% 0.033 53.3) |
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 #180902 | 19.46:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #180902 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #180902 text on white | 19.46:1 | AAA | Lc 105.6 | Preferred for body text |
| #180902 text on black | 1.07:1 | 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
#F8F5F2
oklch(97.2% 0.005 67.8)
-
Step 100
100
#F0E8E3
oklch(93.6% 0.011 54.5)
-
Step 200
200
#E5D6CC
oklch(88.5% 0.022 56.1)
-
Step 300
300
#D5BAAA
oklch(80.8% 0.038 52.6)
-
Step 400
400
#C0977D
oklch(70.8% 0.061 53.9)
-
Step 500
500
#AF7C5C
oklch(63% 0.078 52.9)
-
Step 600
600
#9B6541
oklch(55.7% 0.086 53.7)
-
Step 700
700
#845333
oklch(49% 0.08 53)
-
Step 800
800
#6B442B
oklch(42.6% 0.066 52.8)
-
Step 900
900
#573A27
oklch(37.7% 0.051 53.8)
-
Step 950
950 (this color)
#180902
oklch(16.1% 0.033 53.3)
#180902 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) | #0D0B02 | 0.027 |
| Deuteranopia (no green cones) | #110E02 | 0.024 |
| Tritanopia (no blue cones) | #1B0607 | 0.022 |
| Achromatopsia (no color) | #0D0D0D | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #180902
#180902
oklch(16.1% 0.033 53.3)
- #000F19
#000F19
oklch(15.9% 0.033 234.3)
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 #180902, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.027
- Almost Black #070D0D ΔE 0.042
- Rich Navy #001219 ΔE 0.064
- Rich Black #0D1B2A ΔE 0.088
- Dark Maroon #3C0008 ΔE 0.092
- Dark Brown #341C02 ΔE 0.096
- Deep Brown #410200 ΔE 0.102
- Jet #212529 ΔE 0.110
Use #180902 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.