#0B536B
Closest named color: Deep Teal (#00555A). oklch(41.3% 0.076 227), rgb(11, 83, 107).
Aa
White text reads best on this color (8.52:1).
About this color
#0B536B is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 41%, its chroma 0.076 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.033 away. White text reads best on it, at 8.52:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.46:1 |
| White text | 8.52:1 |
Values
| HEX | #0B536B |
| RGB | rgb(11, 83, 107) |
| HSL | hsl(195, 81%, 23%) |
| OKLCH | oklch(41.3% 0.076 227) |
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 #0B536B | 8.52:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #0B536B | 2.46:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #0B536B text on white | 8.52:1 | AAA | Lc 88.9 | Fine for body text |
| #0B536B text on black | 2.46:1 | Fails | Lc -13.3 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C9DDE6
oklch(88.5% 0.025 226.5)
-
Step 300
300
#A3C7D7
oklch(80.9% 0.045 226.7)
-
Step 400
400
#70AAC3
oklch(70.7% 0.071 227)
-
Step 500
500
#4594B4
oklch(63% 0.091 227.4)
-
Step 600
600
#1E7EA0
oklch(55.6% 0.099 227.4)
-
Step 700
700
#0D6A89
oklch(49% 0.092 227.7)
-
Step 800
800 (this color)
#0B536B
oklch(41.3% 0.076 227)
-
Step 900
900
#18485A
oklch(37.8% 0.059 226.5)
-
Step 950
950
#102A35
oklch(27% 0.038 228.2)
#0B536B 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) | #46516C | 0.055 |
| Deuteranopia (no green cones) | #3A496B | 0.048 |
| Tritanopia (no blue cones) | #005A5B | 0.041 |
| Achromatopsia (no color) | #4C4C4C | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B536B
#0B536B
oklch(41.3% 0.076 227)
- #6C3D25
#6C3D25
oklch(41.2% 0.075 46.9)
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 #0B536B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.033
- Deep Sea Blue #015482 ΔE 0.038
- Petrol #005F6A ΔE 0.039
- Dark Grey Blue #29465B ΔE 0.044
- Light Navy #155084 ΔE 0.046
- Dark Slate Gray #2F4F4F ΔE 0.049
- Charcoal #264653 ΔE 0.050
- Dark Teal #014D4E ΔE 0.050
Use #0B536B 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.