#0B2B30
Closest named color: Dark (#1B2431). oklch(26.8% 0.038 209.5), rgb(11, 43, 48).
Aa
White text reads best on this color (14.97:1).
About this color
#0B2B30 is a dark, muted teal or cyan. In OKLCH its lightness is 27%, its chroma 0.038 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.030 away. White text reads best on it, at 14.97:1.
| Hue family | Teals and cyans |
| Lightness | dark (27%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.40:1 |
| White text | 14.97:1 |
Values
| HEX | #0B2B30 |
| RGB | rgb(11, 43, 48) |
| HSL | hsl(188, 63%, 12%) |
| OKLCH | oklch(26.8% 0.038 209.5) |
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 #0B2B30 | 14.97:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #0B2B30 | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #0B2B30 text on white | 14.97:1 | AAA | Lc 101.7 | Preferred for body text |
| #0B2B30 text on black | 1.40:1 | 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
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C7DEE2
oklch(88.5% 0.025 209.3)
-
Step 300
300
#A0C9D0
oklch(80.9% 0.044 209.1)
-
Step 400
400
#68ADB9
oklch(70.6% 0.072 209.8)
-
Step 500
500
#3798A7
oklch(63% 0.091 209.5)
-
Step 600
600
#008292
oklch(55.6% 0.096 209.8)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800
#005A65
oklch(42.8% 0.074 209.1)
-
Step 900
900
#0D4A53
oklch(37.7% 0.06 209.9)
-
Step 950
950 (this color)
#0B2B30
oklch(26.8% 0.038 209.5)
#0B2B30 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) | #272930 | 0.037 |
| Deuteranopia (no green cones) | #212530 | 0.033 |
| Tritanopia (no blue cones) | #002D2C | 0.015 |
| Achromatopsia (no color) | #272727 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B2B30
#0B2B30
oklch(26.8% 0.038 209.5)
- #361F1B
#361F1B
oklch(26.8% 0.037 30.4)
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 #0B2B30, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.030
- Jet #212529 ΔE 0.032
- Oxford Blue #1B263B ΔE 0.036
- Gunmetal #293241 ΔE 0.056
- Space Cadet #2B2D42 ΔE 0.057
- Rich Black #0D1B2A ΔE 0.057
- Midnight Green #073B4C ΔE 0.066
- Pakistan Green #283618 ΔE 0.074
Use #0B2B30 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.