#0B3033
Closest named color: Jet (#212529). oklch(28.5% 0.041 202.8), rgb(11, 48, 51).
Aa
White text reads best on this color (14.14:1).
About this color
#0B3033 is a dark, muted teal or cyan. In OKLCH its lightness is 28%, its chroma 0.041 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Jet (#212529), ΔE 0.042 away. White text reads best on it, at 14.14:1.
| Hue family | Teals and cyans |
| Lightness | dark (28%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Jet (#212529) |
| Black text | 1.48:1 |
| White text | 14.14:1 |
Values
| HEX | #0B3033 |
| RGB | rgb(11, 48, 51) |
| HSL | hsl(185, 65%, 12%) |
| OKLCH | oklch(28.5% 0.041 202.8) |
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 #0B3033 | 14.14:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #0B3033 | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #0B3033 text on white | 14.14:1 | AAA | Lc 100.7 | Preferred for body text |
| #0B3033 text on black | 1.48:1 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDEE
oklch(93.7% 0.014 202.5)
-
Step 200
200
#C6DFE1
oklch(88.6% 0.027 202.5)
-
Step 300
300
#9CCACE
oklch(80.8% 0.049 202.9)
-
Step 400
400
#61AFB6
oklch(70.7% 0.078 203.1)
-
Step 500
500
#249BA4
oklch(63.2% 0.099 202.8)
-
Step 600
600
#00838C
oklch(55.6% 0.095 203.3)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A60
oklch(42.6% 0.073 202.7)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950 (this color)
#0B3033
oklch(28.5% 0.041 202.8)
#0B3033 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) | #2C2E33 | 0.041 |
| Deuteranopia (no green cones) | #262933 | 0.039 |
| Tritanopia (no blue cones) | #003231 | 0.011 |
| Achromatopsia (no color) | #2B2B2B | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B3033
#0B3033
oklch(28.5% 0.041 202.8)
- #3C2220
#3C2220
oklch(28.5% 0.041 24.7)
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 #0B3033, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.042
- Dark #1B2431 ΔE 0.043
- Oxford Blue #1B263B ΔE 0.045
- Gunmetal #293241 ΔE 0.047
- Midnight Green #073B4C ΔE 0.051
- Space Cadet #2B2D42 ΔE 0.053
- Dark Blue Grey #1F3B4D ΔE 0.060
- Pakistan Green #283618 ΔE 0.063
Use #0B3033 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.