#0B2522
Closest named color: Jet (#212529). oklch(24.3% 0.032 185.2), rgb(11, 37, 34).
Aa
White text reads best on this color (16.12:1).
About this color
#0B2522 is a very dark, muted teal or cyan. In OKLCH its lightness is 24%, its chroma 0.032 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Jet (#212529), ΔE 0.035 away. White text reads best on it, at 16.12:1.
| Hue family | Teals and cyans |
| Lightness | very dark (24%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Jet (#212529) |
| Black text | 1.30:1 |
| White text | 16.12:1 |
Values
| HEX | #0B2522 |
| RGB | rgb(11, 37, 34) |
| HSL | hsl(173, 54%, 9%) |
| OKLCH | oklch(24.3% 0.032 185.2) |
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 #0B2522 | 16.12:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #0B2522 | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #0B2522 text on white | 16.12:1 | AAA | Lc 103.0 | Preferred for body text |
| #0B2522 text on black | 1.30:1 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CADEDB
oklch(88.5% 0.022 186)
-
Step 300
300
#A6C9C4
oklch(80.9% 0.038 185.9)
-
Step 400
400
#74ADA6
oklch(70.6% 0.061 186.2)
-
Step 500
500
#4B9990
oklch(63.1% 0.078 185.5)
-
Step 600
600
#28837A
oklch(55.5% 0.085 185.6)
-
Step 700
700
#186F67
oklch(49.1% 0.079 185.7)
-
Step 800
800
#185B54
oklch(42.8% 0.066 185)
-
Step 900
900
#1C4A45
oklch(37.6% 0.051 185.6)
-
Step 950
950 (this color)
#0B2522
oklch(24.3% 0.032 185.2)
#0B2522 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) | #232322 | 0.034 |
| Deuteranopia (no green cones) | #1F2022 | 0.032 |
| Tritanopia (no blue cones) | #002624 | 0.010 |
| Achromatopsia (no color) | #212121 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B2522
#0B2522
oklch(24.3% 0.032 185.2)
- #2D191E
#2D191E
oklch(24.2% 0.033 3.6)
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 #0B2522, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.035
- Dark #1B2431 ΔE 0.039
- Rich Black #0D1B2A ΔE 0.045
- Oxford Blue #1B263B ΔE 0.054
- Dark Forest Green #002D04 ΔE 0.064
- Very Dark Green #062E03 ΔE 0.066
- Dark Brown #341C02 ΔE 0.077
- Rich Navy #001219 ΔE 0.077
Use #0B2522 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.