#25050B
Closest named color: Very Dark Brown (#1D0200). oklch(18.1% 0.055 12.2), rgb(37, 5, 11).
Aa
White text reads best on this color (19.00:1).
About this color
#25050B is a very dark, muted red. In OKLCH its lightness is 18%, its chroma 0.055 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.036 away. White text reads best on it, at 19.00:1.
| Hue family | Reds |
| Lightness | very dark (18%) |
| Chroma | muted (0.055) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.10:1 |
| White text | 19.00:1 |
Values
| HEX | #25050B |
| RGB | rgb(37, 5, 11) |
| HSL | hsl(349, 76%, 8%) |
| OKLCH | oklch(18.1% 0.055 12.2) |
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 #25050B | 19.00:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #25050B | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #25050B text on white | 19.00:1 | AAA | Lc 105.1 | Preferred for body text |
| #25050B text on black | 1.10:1 | 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
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F6E5E6
oklch(93.6% 0.019 13.4)
-
Step 200
200
#F0D0D3
oklch(88.5% 0.036 11.4)
-
Step 300
300
#E8B0B5
oklch(81% 0.066 12.7)
-
Step 400
400
#D9848F
oklch(70.6% 0.105 11.7)
-
Step 500
500
#CD6373
oklch(63.1% 0.135 12.3)
-
Step 600
600
#B8485C
oklch(55.7% 0.145 12.3)
-
Step 700
700
#9E384C
oklch(49.1% 0.136 11.8)
-
Step 800
800
#802F3E
oklch(42.6% 0.112 12)
-
Step 900
900
#682B35
oklch(37.8% 0.088 12.1)
-
Step 950
950 (this color)
#25050B
oklch(18.1% 0.055 12.2)
#25050B 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) | #0C0C0B | 0.062 |
| Deuteranopia (no green cones) | #15130A | 0.057 |
| Tritanopia (no blue cones) | #290207 | 0.013 |
| Achromatopsia (no color) | #101010 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25050B
#25050B
oklch(18.1% 0.055 12.2)
- #001615
#001615
oklch(18.1% 0.031 191)
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 #25050B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.036
- Dark Maroon #3C0008 ΔE 0.057
- Almost Black #070D0D ΔE 0.071
- Deep Brown #410200 ΔE 0.073
- Very Dark Purple #2A0134 ΔE 0.085
- Rich Navy #001219 ΔE 0.085
- Dark Brown #341C02 ΔE 0.087
- Rich Black #0D1B2A ΔE 0.088
Use #25050B 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.