#250310
Closest named color: Very Dark Brown (#1D0200). oklch(17.9% 0.062 0.3), rgb(37, 3, 16).
Aa
White text reads best on this color (19.10:1).
About this color
#250310 is a very dark, muted red. In OKLCH its lightness is 18%, its chroma 0.062 and its hue 0°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.044 away. White text reads best on it, at 19.10:1.
| Hue family | Reds |
| Lightness | very dark (18%) |
| Chroma | muted (0.062) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.09:1 |
| White text | 19.10:1 |
Values
| HEX | #250310 |
| RGB | rgb(37, 3, 16) |
| HSL | hsl(337, 85%, 8%) |
| OKLCH | oklch(17.9% 0.062 0.3) |
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 #250310 | 19.10:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #250310 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #250310 text on white | 19.10:1 | AAA | Lc 105.1 | Preferred for body text |
| #250310 text on black | 1.09:1 | 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
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F7E4E9
oklch(93.5% 0.022 359.7)
-
Step 200
200
#F1CFD8
oklch(88.6% 0.04 0.2)
-
Step 300
300
#E9ADBE
oklch(80.8% 0.073 0.2)
-
Step 400
400
#DC809D
oklch(70.7% 0.118 0.3)
-
Step 500
500
#CF5D85
oklch(63% 0.15 0.3)
-
Step 600
600
#BA406F
oklch(55.5% 0.162 0.1)
-
Step 700
700
#A0315D
oklch(49.1% 0.151 0.1)
-
Step 800
800
#822A4C
oklch(42.7% 0.125 0.1)
-
Step 900
900
#69273F
oklch(37.6% 0.098 0.3)
-
Step 950
950 (this color)
#250310
oklch(17.9% 0.062 0.3)
#250310 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) | #090B10 | 0.069 |
| Deuteranopia (no green cones) | #13120F | 0.062 |
| Tritanopia (no blue cones) | #290108 | 0.018 |
| Achromatopsia (no color) | #0F0F0F | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #250310
#250310
oklch(17.9% 0.062 0.3)
- #001612
#001612
oklch(17.9% 0.033 180.2)
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 #250310, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.044
- Dark Maroon #3C0008 ΔE 0.061
- Very Dark Purple #2A0134 ΔE 0.074
- Almost Black #070D0D ΔE 0.076
- Deep Brown #410200 ΔE 0.079
- Midnight Purple #280137 ΔE 0.079
- Dark Plum #3F012C ΔE 0.082
- Eggplant #380835 ΔE 0.085
Use #250310 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.