#0F252B
Closest named color: Dark (#1B2431). oklch(24.9% 0.03 217.7), rgb(15, 37, 43).
Aa
White text reads best on this color (15.91:1).
About this color
#0F252B is a very dark, muted teal or cyan. In OKLCH its lightness is 25%, its chroma 0.030 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.022 away. White text reads best on it, at 15.91:1.
| Hue family | Teals and cyans |
| Lightness | very dark (25%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.31:1 |
| White text | 15.91:1 |
Values
| HEX | #0F252B |
| RGB | rgb(15, 37, 43) |
| HSL | hsl(193, 48%, 11%) |
| OKLCH | oklch(24.9% 0.03 217.7) |
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 #0F252B | 15.91:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #0F252B | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #0F252B text on white | 15.91:1 | AAA | Lc 102.8 | Preferred for body text |
| #0F252B 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
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CBDDE2
oklch(88.6% 0.021 216.2)
-
Step 300
300
#A8C7D0
oklch(81% 0.036 217.2)
-
Step 400
400
#78AAB8
oklch(70.8% 0.057 217.1)
-
Step 500
500
#5294A7
oklch(63% 0.073 218.6)
-
Step 600
600
#337E92
oklch(55.5% 0.079 218.4)
-
Step 700
700
#246B7C
oklch(49.2% 0.074 216.9)
-
Step 800
800
#205765
oklch(42.7% 0.061 217.5)
-
Step 900
900
#214852
oklch(37.8% 0.047 216.7)
-
Step 950
950 (this color)
#0F252B
oklch(24.9% 0.03 217.7)
#0F252B 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) | #21242B | 0.026 |
| Deuteranopia (no green cones) | #1D212B | 0.023 |
| Tritanopia (no blue cones) | #012727 | 0.018 |
| Achromatopsia (no color) | #222222 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F252B
#0F252B
oklch(24.9% 0.03 217.7)
- #2E1C17
#2E1C17
oklch(24.8% 0.03 36.2)
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 #0F252B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.022
- Jet #212529 ΔE 0.026
- Oxford Blue #1B263B ΔE 0.036
- Rich Black #0D1B2A ΔE 0.037
- Space Cadet #2B2D42 ΔE 0.066
- Gunmetal #293241 ΔE 0.070
- Rich Navy #001219 ΔE 0.080
- Dark Forest Green #002D04 ΔE 0.080
Use #0F252B 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.