#0B4B42
Closest named color: Dark Teal (#014D4E). oklch(37.2% 0.063 180.7), rgb(11, 75, 66).
Aa
White text reads best on this color (10.00:1).
About this color
#0B4B42 is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.063 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.019 away. White text reads best on it, at 10.00:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.09:1 |
| White text | 10.00:1 |
Values
| HEX | #0B4B42 |
| RGB | rgb(11, 75, 66) |
| HSL | hsl(172, 74%, 17%) |
| OKLCH | oklch(37.2% 0.063 180.7) |
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 #0B4B42 | 10.00:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #0B4B42 | 2.09:1 | Fails | Lc 11.1 | Not readable |
| #0B4B42 text on white | 10.00:1 | AAA | Lc 92.9 | Preferred for body text |
| #0B4B42 text on black | 2.09:1 | Fails | Lc -9.6 | 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 900.
-
Step 50
50
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C8DFDA
oklch(88.5% 0.025 181.2)
-
Step 300
300
#A0CBC2
oklch(80.9% 0.047 180.9)
-
Step 400
400
#69B0A3
oklch(70.7% 0.075 181)
-
Step 500
500
#379C8C
oklch(63% 0.096 180.6)
-
Step 600
600
#008676
oklch(55.6% 0.1 180.5)
-
Step 700
700
#007163
oklch(49.2% 0.089 180.3)
-
Step 800
800
#005C51
oklch(42.6% 0.077 181.1)
-
Step 900
900 (this color)
#0B4B42
oklch(37.2% 0.063 180.7)
-
Step 950
950
#0B2D27
oklch(27.1% 0.041 179.3)
#0B4B42 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) | #474642 | 0.066 |
| Deuteranopia (no green cones) | #3F4043 | 0.063 |
| Tritanopia (no blue cones) | #004D48 | 0.010 |
| Achromatopsia (no color) | #424242 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B4B42
#0B4B42
oklch(37.2% 0.063 180.7)
- #5B323E
#5B323E
oklch(37.3% 0.061 1.7)
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 #0B4B42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.019
- Dark Blue Green #005249 ΔE 0.023
- Evergreen #05472A ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.041
- Deep Teal #00555A ΔE 0.044
- Charcoal #264653 ΔE 0.045
- Pine Green #0A481E ΔE 0.055
- Charcoal Grey #3C4142 ΔE 0.057
Use #0B4B42 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.