#00525A
Closest named color: Deep Teal (#00555A). oklch(40.1% 0.069 206.2), rgb(0, 82, 90).
Aa
White text reads best on this color (8.91:1).
About this color
#00525A is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.069 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.010 away. White text reads best on it, at 8.91:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.35:1 |
| White text | 8.91:1 |
Values
| HEX | #00525A |
| RGB | rgb(0, 82, 90) |
| HSL | hsl(185, 100%, 18%) |
| OKLCH | oklch(40.1% 0.069 206.2) |
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 #00525A | 8.91:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #00525A | 2.35:1 | Fails | Lc 14.0 | Not readable |
| #00525A text on white | 8.91:1 | AAA | Lc 90.0 | Fine for body text |
| #00525A text on black | 2.35:1 | Fails | Lc -12.3 | 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 900.
-
Step 50
50
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DFEDEF
oklch(93.6% 0.015 207.1)
-
Step 200
200
#C4DFE2
oklch(88.5% 0.029 204.8)
-
Step 300
300
#9ACBD1
oklch(81% 0.052 205.5)
-
Step 400
400
#5CAFBA
oklch(70.6% 0.082 206.7)
-
Step 500
500
#129BA9
oklch(63.1% 0.105 206.4)
-
Step 600
600
#00838F
oklch(55.7% 0.095 206.1)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900 (this color)
#00525A
oklch(40.1% 0.069 206.2)
-
Step 950
950
#042C31
oklch(26.9% 0.043 207.4)
#00525A 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) | #4A4E5B | 0.067 |
| Deuteranopia (no green cones) | #3F465A | 0.062 |
| Tritanopia (no blue cones) | #005654 | 0.019 |
| Achromatopsia (no color) | #4A4A4A | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00525A
#00525A
oklch(40.1% 0.069 206.2)
- #683834
#683834
oklch(40% 0.069 25.6)
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 #00525A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.010
- Dark Teal #014D4E ΔE 0.023
- Dark Blue Green #005249 ΔE 0.030
- Dark Slate Gray #2F4F4F ΔE 0.032
- Charcoal #264653 ΔE 0.040
- Dark Grey Blue #29465B ΔE 0.044
- Petrol #005F6A ΔE 0.044
- Dark Green Blue #1F6357 ΔE 0.062
Use #00525A 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.