#0F282B
Closest named color: Jet (#212529). oklch(25.8% 0.031 205.8), rgb(15, 40, 43).
Aa
White text reads best on this color (15.45:1).
About this color
#0F282B is a dark, muted teal or cyan. In OKLCH its lightness is 26%, its chroma 0.031 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Jet (#212529), ΔE 0.025 away. White text reads best on it, at 15.45:1.
| Hue family | Teals and cyans |
| Lightness | dark (26%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Jet (#212529) |
| Black text | 1.35:1 |
| White text | 15.45:1 |
Values
| HEX | #0F282B |
| RGB | rgb(15, 40, 43) |
| HSL | hsl(186, 48%, 11%) |
| OKLCH | oklch(25.8% 0.031 205.8) |
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 #0F282B | 15.45:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #0F282B | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #0F282B text on white | 15.45:1 | AAA | Lc 102.3 | Preferred for body text |
| #0F282B text on black | 1.35:1 | 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
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CADDE0
oklch(88.4% 0.021 208.1)
-
Step 300
300
#A6C8CC
oklch(80.9% 0.037 205.2)
-
Step 400
400
#74ACB3
oklch(70.8% 0.059 205.8)
-
Step 500
500
#4B97A0
oklch(63.2% 0.076 205.6)
-
Step 600
600
#28818B
oklch(55.6% 0.083 205.9)
-
Step 700
700
#196D76
oklch(49.1% 0.077 205.8)
-
Step 800
800
#195960
oklch(42.8% 0.063 205.6)
-
Step 900
900
#1C494E
oklch(37.7% 0.049 205.2)
-
Step 950
950 (this color)
#0F282B
oklch(25.8% 0.031 205.8)
#0F282B 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) | #25262B | 0.032 |
| Deuteranopia (no green cones) | #20232B | 0.028 |
| Tritanopia (no blue cones) | #002A29 | 0.016 |
| Achromatopsia (no color) | #242424 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F282B
#0F282B
oklch(25.8% 0.031 205.8)
- #311E1C
#311E1C
oklch(25.9% 0.03 26)
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 #0F282B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.025
- Dark #1B2431 ΔE 0.026
- Oxford Blue #1B263B ΔE 0.038
- Rich Black #0D1B2A ΔE 0.048
- Space Cadet #2B2D42 ΔE 0.063
- Gunmetal #293241 ΔE 0.063
- Dark Forest Green #002D04 ΔE 0.074
- Very Dark Green #062E03 ΔE 0.074
Use #0F282B 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.