#25040A
Closest named color: Very Dark Brown (#1D0200). oklch(17.9% 0.058 12.7), rgb(37, 4, 10).
Aa
White text reads best on this color (19.08:1).
About this color
#25040A is a very dark, muted red. In OKLCH its lightness is 18%, its chroma 0.058 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.035 away. White text reads best on it, at 19.08:1.
| Hue family | Reds |
| Lightness | very dark (18%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.10:1 |
| White text | 19.08:1 |
Values
| HEX | #25040A |
| RGB | rgb(37, 4, 10) |
| HSL | hsl(349, 80%, 8%) |
| OKLCH | oklch(17.9% 0.058 12.7) |
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 #25040A | 19.08:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #25040A | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #25040A text on white | 19.08:1 | AAA | Lc 105.1 | Preferred for body text |
| #25040A 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
#F7E5E6
oklch(93.7% 0.02 13.6)
-
Step 200
200
#F1CFD2
oklch(88.4% 0.038 11.9)
-
Step 300
300
#E9AFB4
oklch(80.9% 0.068 12.9)
-
Step 400
400
#DB838E
oklch(70.6% 0.109 12.2)
-
Step 500
500
#CF6172
oklch(63% 0.14 12.3)
-
Step 600
600
#BA455A
oklch(55.5% 0.151 12.7)
-
Step 700
700
#A0364A
oklch(49.1% 0.14 12.7)
-
Step 800
800
#822E3D
oklch(42.7% 0.116 12.7)
-
Step 900
900
#692A34
oklch(37.7% 0.091 12.7)
-
Step 950
950 (this color)
#25040A
oklch(17.9% 0.058 12.7)
#25040A 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) | #0B0B0A | 0.065 |
| Deuteranopia (no green cones) | #141209 | 0.059 |
| Tritanopia (no blue cones) | #290006 | 0.014 |
| Achromatopsia (no color) | #101010 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25040A
#25040A
oklch(17.9% 0.058 12.7)
- #001515
#001515
oklch(17.7% 0.03 194.8)
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 #25040A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.035
- Dark Maroon #3C0008 ΔE 0.058
- Almost Black #070D0D ΔE 0.072
- Deep Brown #410200 ΔE 0.074
- Very Dark Purple #2A0134 ΔE 0.086
- Rich Navy #001219 ΔE 0.087
- Dark Brown #341C02 ΔE 0.090
- Dark Plum #3F012C ΔE 0.090
Use #25040A 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.