#0F3237
Closest named color: Gunmetal (#293241). oklch(29.4% 0.041 208.2), rgb(15, 50, 55).
Aa
White text reads best on this color (13.71:1).
About this color
#0F3237 is a dark, muted teal or cyan. In OKLCH its lightness is 29%, its chroma 0.041 and its hue 208°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.039 away. White text reads best on it, at 13.71:1.
| Hue family | Teals and cyans |
| Lightness | dark (29%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.53:1 |
| White text | 13.71:1 |
Values
| HEX | #0F3237 |
| RGB | rgb(15, 50, 55) |
| HSL | hsl(188, 57%, 14%) |
| OKLCH | oklch(29.4% 0.041 208.2) |
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 #0F3237 | 13.71:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #0F3237 | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #0F3237 text on white | 13.71:1 | AAA | Lc 100.1 | Preferred for body text |
| #0F3237 text on black | 1.53:1 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0EDEF
oklch(93.7% 0.014 207.9)
-
Step 200
200
#C6DEE2
oklch(88.4% 0.026 208.7)
-
Step 300
300
#9DCAD1
oklch(80.9% 0.048 208)
-
Step 400
400
#63AEBA
oklch(70.7% 0.077 208.8)
-
Step 500
500
#299AA9
oklch(63.2% 0.098 208.2)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#024B53
oklch(37.8% 0.064 207.2)
-
Step 950
950 (this color)
#0F3237
oklch(29.4% 0.041 208.2)
#0F3237 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) | #2D3037 | 0.038 |
| Deuteranopia (no green cones) | #272B37 | 0.036 |
| Tritanopia (no blue cones) | #003433 | 0.016 |
| Achromatopsia (no color) | #2D2D2D | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F3237
#0F3237
oklch(29.4% 0.041 208.2)
- #3E2421
#3E2421
oklch(29.3% 0.04 26.9)
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 #0F3237, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.039
- Midnight Green #073B4C ΔE 0.042
- Oxford Blue #1B263B ΔE 0.046
- Jet #212529 ΔE 0.047
- Space Cadet #2B2D42 ΔE 0.047
- Dark #1B2431 ΔE 0.048
- Dark Blue Grey #1F3B4D ΔE 0.050
- Onyx #343A40 ΔE 0.060
Use #0F3237 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.