#251925
Closest named color: Dark (#1B2431). oklch(23.4% 0.029 326.4), rgb(37, 25, 37).
Aa
White text reads best on this color (16.87:1).
About this color
#251925 is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Dark (#1B2431), ΔE 0.040 away. White text reads best on it, at 16.87:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Dark (#1B2431) |
| Black text | 1.24:1 |
| White text | 16.87:1 |
Values
| HEX | #251925 |
| RGB | rgb(37, 25, 37) |
| HSL | hsl(300, 19%, 12%) |
| OKLCH | oklch(23.4% 0.029 326.4) |
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 #251925 | 16.87:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #251925 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #251925 text on white | 16.87:1 | AAA | Lc 103.8 | Preferred for body text |
| #251925 text on black | 1.24:1 | 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EDE8ED
oklch(93.6% 0.009 325.6)
-
Step 200
200
#E0D5E0
oklch(88.5% 0.019 325.7)
-
Step 300
300
#CDB9CC
oklch(80.8% 0.034 327.4)
-
Step 400
400
#B395B3
oklch(70.7% 0.055 326.1)
-
Step 500
500
#A07BA0
oklch(63.1% 0.069 326.4)
-
Step 600
600
#8B648B
oklch(55.7% 0.075 326.5)
-
Step 700
700
#765276
oklch(49% 0.071 326.6)
-
Step 800
800
#604460
oklch(42.8% 0.058 326.5)
-
Step 900
900
#4E394E
oklch(37.6% 0.045 326.4)
-
Step 950
950 (this color)
#251925
oklch(23.4% 0.029 326.4)
#251925 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) | #181C25 | 0.026 |
| Deuteranopia (no green cones) | #1B1D25 | 0.023 |
| Tritanopia (no blue cones) | #261A1D | 0.017 |
| Achromatopsia (no color) | #1D1D1D | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #251925
#251925
oklch(23.4% 0.029 326.4)
- #152216
#152216
oklch(23.6% 0.029 146.5)
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 #251925, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.040
- Jet #212529 ΔE 0.040
- Rich Black #0D1B2A ΔE 0.043
- Oxford Blue #1B263B ΔE 0.053
- Eggplant #380835 ΔE 0.068
- Dark Brown #341C02 ΔE 0.068
- Aubergine #3D0734 ΔE 0.073
- Very Dark Purple #2A0134 ΔE 0.074
Use #251925 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.