#0F2529
Closest named color: Dark (#1B2431). oklch(24.8% 0.029 210.7), rgb(15, 37, 41).
Aa
White text reads best on this color (15.94:1).
About this color
#0F2529 is a very dark close to neutral grey. In OKLCH its lightness is 25%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Dark (#1B2431), ΔE 0.024 away. White text reads best on it, at 15.94:1.
| Hue family | Neutrals |
| Lightness | very dark (25%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Dark (#1B2431) |
| Black text | 1.31:1 |
| White text | 15.94:1 |
Values
| HEX | #0F2529 |
| RGB | rgb(15, 37, 41) |
| HSL | hsl(189, 46%, 11%) |
| OKLCH | oklch(24.8% 0.029 210.7) |
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 #0F2529 | 15.94:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #0F2529 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #0F2529 text on white | 15.94:1 | AAA | Lc 102.8 | Preferred for body text |
| #0F2529 text on black | 1.31:1 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CCDDE0
oklch(88.6% 0.019 209.4)
-
Step 300
300
#A8C7CD
oklch(80.9% 0.034 210.7)
-
Step 400
400
#78AAB4
oklch(70.6% 0.055 211.4)
-
Step 500
500
#5395A1
oklch(63.1% 0.07 210.6)
-
Step 600
600
#347F8C
oklch(55.5% 0.076 210.7)
-
Step 700
700
#256B77
oklch(49% 0.071 211)
-
Step 800
800
#215861
oklch(42.8% 0.059 209.9)
-
Step 900
900
#21484F
oklch(37.6% 0.046 210.7)
-
Step 950
950 (this color)
#0F2529
oklch(24.8% 0.029 210.7)
#0F2529 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) | #222429 | 0.028 |
| Deuteranopia (no green cones) | #1D2129 | 0.023 |
| Tritanopia (no blue cones) | #022726 | 0.016 |
| Achromatopsia (no color) | #222222 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F2529
#0F2529
oklch(24.8% 0.029 210.7)
- #2E1C19
#2E1C19
oklch(24.9% 0.029 29.8)
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 #0F2529, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.024
- Jet #212529 ΔE 0.026
- Rich Black #0D1B2A ΔE 0.038
- Oxford Blue #1B263B ΔE 0.039
- Space Cadet #2B2D42 ΔE 0.068
- Gunmetal #293241 ΔE 0.071
- Dark Forest Green #002D04 ΔE 0.077
- Very Dark Green #062E03 ΔE 0.078
Use #0F2529 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.