#0B4E61
Closest named color: Deep Teal (#00555A). oklch(39.5% 0.069 222.8), rgb(11, 78, 97).
Aa
White text reads best on this color (9.22:1).
About this color
#0B4E61 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.069 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.029 away. White text reads best on it, at 9.22:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.27:1 |
| White text | 9.22:1 |
Values
| HEX | #0B4E61 |
| RGB | rgb(11, 78, 97) |
| HSL | hsl(193, 80%, 21%) |
| OKLCH | oklch(39.5% 0.069 222.8) |
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 #0B4E61 | 9.22:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #0B4E61 | 2.27:1 | Fails | Lc 13.1 | Not readable |
| #0B4E61 text on white | 9.22:1 | AAA | Lc 90.9 | Preferred for body text |
| #0B4E61 text on black | 2.27:1 | Fails | Lc -11.4 | 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
#F1F7F9
oklch(97.2% 0.007 219.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200
#C6DEE7
oklch(88.6% 0.028 222.3)
-
Step 300
300
#9DC9D9
oklch(81% 0.052 222.1)
-
Step 400
400
#62ACC6
oklch(70.6% 0.083 222.9)
-
Step 500
500
#2997B8
oklch(63.1% 0.106 222.9)
-
Step 600
600
#00809F
oklch(55.6% 0.103 222.6)
-
Step 700
700
#006B86
oklch(49% 0.091 223.1)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900 (this color)
#0B4E61
oklch(39.5% 0.069 222.8)
-
Step 950
950
#082B36
oklch(27% 0.044 223.1)
#0B4E61 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) | #434C62 | 0.055 |
| Deuteranopia (no green cones) | #384461 | 0.048 |
| Tritanopia (no blue cones) | #005454 | 0.035 |
| Achromatopsia (no color) | #474747 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B4E61
#0B4E61
oklch(39.5% 0.069 222.8)
- #653927
#653927
oklch(39.5% 0.069 42.7)
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 #0B4E61, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.029
- Dark Grey Blue #29465B ΔE 0.030
- Charcoal #264653 ΔE 0.032
- Dark Teal #014D4E ΔE 0.034
- Dark Slate Gray #2F4F4F ΔE 0.040
- Dark Blue Green #005249 ΔE 0.048
- Petrol #005F6A ΔE 0.053
- Deep Sea Blue #015482 ΔE 0.055
Use #0B4E61 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.