#0B2B35
Closest named color: Dark (#1B2431). oklch(27.1% 0.041 222.2), rgb(11, 43, 53).
Aa
White text reads best on this color (14.88:1).
About this color
#0B2B35 is a dark, muted teal or cyan. In OKLCH its lightness is 27%, its chroma 0.041 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.028 away. White text reads best on it, at 14.88:1.
| Hue family | Teals and cyans |
| Lightness | dark (27%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.41:1 |
| White text | 14.88:1 |
Values
| HEX | #0B2B35 |
| RGB | rgb(11, 43, 53) |
| HSL | hsl(194, 66%, 13%) |
| OKLCH | oklch(27.1% 0.041 222.2) |
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 #0B2B35 | 14.88:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #0B2B35 | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #0B2B35 text on white | 14.88:1 | AAA | Lc 101.6 | Preferred for body text |
| #0B2B35 text on black | 1.41:1 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200
#C7DEE6
oklch(88.6% 0.027 220.7)
-
Step 300
300
#9FC8D7
oklch(80.8% 0.048 222.2)
-
Step 400
400
#67ACC4
oklch(70.8% 0.078 222.4)
-
Step 500
500
#3497B4
oklch(63.2% 0.099 221.3)
-
Step 600
600
#00809E
oklch(55.6% 0.103 221.9)
-
Step 700
700
#006C86
oklch(49.3% 0.091 222.1)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900
#0C495A
oklch(37.7% 0.064 221.9)
-
Step 950
950 (this color)
#0B2B35
oklch(27.1% 0.041 222.2)
#0B2B35 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) | #252A36 | 0.033 |
| Deuteranopia (no green cones) | #1F2535 | 0.030 |
| Tritanopia (no blue cones) | #002E2E | 0.022 |
| Achromatopsia (no color) | #272727 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B2B35
#0B2B35
oklch(27.1% 0.041 222.2)
- #382016
#382016
oklch(27.2% 0.041 43.3)
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 #0B2B35, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.028
- Oxford Blue #1B263B ΔE 0.029
- Jet #212529 ΔE 0.034
- Space Cadet #2B2D42 ΔE 0.051
- Gunmetal #293241 ΔE 0.051
- Rich Black #0D1B2A ΔE 0.057
- Midnight Green #073B4C ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.069
Use #0B2B35 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.