#0A5348
Closest named color: Dark Blue Green (#005249). oklch(39.8% 0.069 179.3), rgb(10, 83, 72).
Aa
White text reads best on this color (8.95:1).
About this color
#0A5348 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.069 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.006 away. White text reads best on it, at 8.95:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.34:1 |
| White text | 8.95:1 |
Values
| HEX | #0A5348 |
| RGB | rgb(10, 83, 72) |
| HSL | hsl(171, 78%, 18%) |
| OKLCH | oklch(39.8% 0.069 179.3) |
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 #0A5348 | 8.95:1 | AAA | Lc -94.6 | Preferred for body text |
| Black text on #0A5348 | 2.34:1 | Fails | Lc 13.8 | Not readable |
| #0A5348 text on white | 8.95:1 | AAA | Lc 90.2 | Preferred for body text |
| #0A5348 text on black | 2.34:1 | Fails | Lc -12.1 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E0EDEA
oklch(93.6% 0.014 180.7)
-
Step 200
200
#C6E0D9
oklch(88.6% 0.029 177.6)
-
Step 300
300
#9DCCC1
oklch(80.9% 0.052 179)
-
Step 400
400
#62B2A2
oklch(70.8% 0.083 179.3)
-
Step 500
500
#269E8B
oklch(63.1% 0.106 179.4)
-
Step 600
600
#008675
oklch(55.5% 0.101 179.7)
-
Step 700
700
#007162
oklch(49.1% 0.09 179.3)
-
Step 800
800
#005D50
oklch(42.8% 0.078 178.9)
-
Step 900
900 (this color)
#0A5348
oklch(39.8% 0.069 179.3)
-
Step 950
950
#072D27
oklch(26.9% 0.043 180.1)
#0A5348 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) | #4F4D48 | 0.073 |
| Deuteranopia (no green cones) | #464649 | 0.070 |
| Tritanopia (no blue cones) | #005550 | 0.013 |
| Achromatopsia (no color) | #494949 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A5348
#0A5348
oklch(39.8% 0.069 179.3)
- #653746
#653746
oklch(39.9% 0.068 359.7)
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 #0A5348, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.006
- Dark Teal #014D4E ΔE 0.026
- Deep Teal #00555A ΔE 0.029
- Dark Slate Gray #2F4F4F ΔE 0.035
- Spruce #0A5F38 ΔE 0.054
- Evergreen #05472A ΔE 0.055
- Charcoal #264653 ΔE 0.055
- Dark Green Blue #1F6357 ΔE 0.056
Use #0A5348 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.