#15524D
Closest named color: Dark Blue Green (#005249). oklch(39.9% 0.061 187.1), rgb(21, 82, 77).
Aa
White text reads best on this color (8.95:1).
About this color
#15524D is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.061 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.012 away. White text reads best on it, at 8.95:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.34:1 |
| White text | 8.95:1 |
Values
| HEX | #15524D |
| RGB | rgb(21, 82, 77) |
| HSL | hsl(175, 59%, 20%) |
| OKLCH | oklch(39.9% 0.061 187.1) |
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 #15524D | 8.95:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #15524D | 2.34:1 | Fails | Lc 13.7 | Not readable |
| #15524D text on white | 8.95:1 | AAA | Lc 90.3 | Preferred for body text |
| #15524D text on black | 2.34:1 | Fails | Lc -12.0 | 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
#E1EDEB
oklch(93.7% 0.013 185.1)
-
Step 200
200
#C7DFDC
oklch(88.5% 0.026 187.6)
-
Step 300
300
#A0CBC5
oklch(81% 0.046 185.8)
-
Step 400
400
#68B0A8
oklch(70.8% 0.074 186.6)
-
Step 500
500
#359C93
oklch(63.2% 0.094 186.8)
-
Step 600
600
#00857D
oklch(55.5% 0.097 187.4)
-
Step 700
700
#007069
oklch(49.1% 0.086 187.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900 (this color)
#15524D
oklch(39.9% 0.061 187.1)
-
Step 950
950
#0B2C2A
oklch(26.9% 0.038 189.5)
#15524D 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) | #4D4D4D | 0.065 |
| Deuteranopia (no green cones) | #44474E | 0.060 |
| Tritanopia (no blue cones) | #005450 | 0.009 |
| Achromatopsia (no color) | #494949 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15524D
#15524D
oklch(39.9% 0.061 187.1)
- #633942
#633942
oklch(39.9% 0.061 6.3)
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 #15524D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.012
- Dark Teal #014D4E ΔE 0.021
- Deep Teal #00555A ΔE 0.021
- Dark Slate Gray #2F4F4F ΔE 0.025
- Charcoal #264653 ΔE 0.045
- Petrol #005F6A ΔE 0.054
- Dark Grey Blue #29465B ΔE 0.055
- Dark Green Blue #1F6357 ΔE 0.056
Use #15524D 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.