#00524E
Closest named color: Dark Blue Green (#005249). oklch(39.6% 0.069 189.1), rgb(0, 82, 78).
Aa
White text reads best on this color (9.06:1).
About this color
#00524E is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.069 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.009 away. White text reads best on it, at 9.06:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.31:1 |
| White text | 9.06:1 |
Values
| HEX | #00524E |
| RGB | rgb(0, 82, 78) |
| HSL | hsl(177, 100%, 16%) |
| OKLCH | oklch(39.6% 0.069 189.1) |
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 #00524E | 9.06:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #00524E | 2.31:1 | Fails | Lc 13.6 | Not readable |
| #00524E text on white | 9.06:1 | AAA | Lc 90.4 | Preferred for body text |
| #00524E text on black | 2.31:1 | Fails | Lc -11.9 | 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
#DFEDEC
oklch(93.5% 0.015 191.8)
-
Step 200
200
#C5E0DD
oklch(88.6% 0.029 188.5)
-
Step 300
300
#9BCCC7
oklch(80.9% 0.052 188.4)
-
Step 400
400
#5EB1AB
oklch(70.6% 0.082 189.4)
-
Step 500
500
#189D96
oklch(63% 0.105 189.1)
-
Step 600
600
#00857F
oklch(55.6% 0.096 189.2)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900 (this color)
#00524E
oklch(39.6% 0.069 189.1)
-
Step 950
950
#042D2B
oklch(27% 0.043 190)
#00524E 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) | #4C4D4E | 0.072 |
| Deuteranopia (no green cones) | #42454F | 0.069 |
| Tritanopia (no blue cones) | #005551 | 0.010 |
| Achromatopsia (no color) | #494949 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00524E
#00524E
oklch(39.6% 0.069 189.1)
- #66363F
#66363F
oklch(39.6% 0.069 8.7)
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 #00524E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.009
- Dark Teal #014D4E ΔE 0.017
- Deep Teal #00555A ΔE 0.020
- Dark Slate Gray #2F4F4F ΔE 0.032
- Charcoal #264653 ΔE 0.047
- Petrol #005F6A ΔE 0.055
- Dark Grey Blue #29465B ΔE 0.057
- Dark Green Blue #1F6357 ΔE 0.060
Use #00524E 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.