#0B5963
Closest named color: Deep Teal (#00555A). oklch(42.6% 0.07 208.6), rgb(11, 89, 99).
Aa
White text reads best on this color (8.00:1).
About this color
#0B5963 is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.070 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.019 away. White text reads best on it, at 8.00:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.62:1 |
| White text | 8.00:1 |
Values
| HEX | #0B5963 |
| RGB | rgb(11, 89, 99) |
| HSL | hsl(187, 80%, 22%) |
| OKLCH | oklch(42.6% 0.07 208.6) |
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 #0B5963 | 8.00:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #0B5963 | 2.62:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #0B5963 text on white | 8.00:1 | AAA | Lc 87.4 | Fine for body text |
| #0B5963 text on black | 2.62:1 | Fails | Lc -14.8 | 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 800.
-
Step 50
50
#F1F6F7
oklch(97% 0.005 211)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C9DEE1
oklch(88.6% 0.023 207.1)
-
Step 300
300
#A3C8CF
oklch(80.8% 0.041 210.4)
-
Step 400
400
#6EACB6
oklch(70.6% 0.065 208.7)
-
Step 500
500
#4297A4
oklch(63% 0.083 208.9)
-
Step 600
600
#168290
oklch(55.7% 0.091 208.7)
-
Step 700
700
#006D7A
oklch(49% 0.084 209.1)
-
Step 800
800 (this color)
#0B5963
oklch(42.6% 0.07 208.6)
-
Step 900
900
#164951
oklch(37.6% 0.054 209.7)
-
Step 950
950
#0F2B2F
oklch(26.9% 0.034 207.9)
#0B5963 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) | #505564 | 0.067 |
| Deuteranopia (no green cones) | #454D63 | 0.061 |
| Tritanopia (no blue cones) | #005E5C | 0.023 |
| Achromatopsia (no color) | #505050 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B5963
#0B5963
oklch(42.6% 0.07 208.6)
- #703F38
#703F38
oklch(42.5% 0.07 29)
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 #0B5963, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.019
- Petrol #005F6A ΔE 0.019
- Dark Slate Gray #2F4F4F ΔE 0.041
- Dark Green Blue #1F6357 ΔE 0.045
- Dark Blue Green #005249 ΔE 0.045
- Dark Teal #014D4E ΔE 0.048
- Dark Aqua #05696B ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.059
Use #0B5963 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.