#00525F
Closest named color: Deep Teal (#00555A). oklch(40.3% 0.07 212.9), rgb(0, 82, 95).
Aa
White text reads best on this color (8.85:1).
About this color
#00525F is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 40%, its chroma 0.070 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.015 away. White text reads best on it, at 8.85:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.37:1 |
| White text | 8.85:1 |
Values
| HEX | #00525F |
| RGB | rgb(0, 82, 95) |
| HSL | hsl(188, 100%, 19%) |
| OKLCH | oklch(40.3% 0.07 212.9) |
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 #00525F | 8.85:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #00525F | 2.37:1 | Fails | Lc 14.2 | Not readable |
| #00525F text on white | 8.85:1 | AAA | Lc 89.8 | Fine for body text |
| #00525F text on black | 2.37:1 | Fails | Lc -12.5 | 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 800.
-
Step 50
50
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C9DDE2
oklch(88.4% 0.022 214.4)
-
Step 300
300
#A3C8D1
oklch(80.9% 0.041 214.2)
-
Step 400
400
#6FACB9
oklch(70.8% 0.066 212.6)
-
Step 500
500
#4397A8
oklch(63.2% 0.084 213)
-
Step 600
600
#188193
oklch(55.6% 0.092 212.7)
-
Step 700
700
#036D7D
oklch(49.1% 0.085 212.4)
-
Step 800
800 (this color)
#00525F
oklch(40.3% 0.07 212.9)
-
Step 900
900
#174953
oklch(37.7% 0.055 213.4)
-
Step 950
950
#0F2B31
oklch(27% 0.035 213.8)
#00525F 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) | #484F60 | 0.064 |
| Deuteranopia (no green cones) | #3D475F | 0.057 |
| Tritanopia (no blue cones) | #005756 | 0.026 |
| Achromatopsia (no color) | #4A4A4A | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00525F
#00525F
oklch(40.3% 0.07 212.9)
- #69392F
#69392F
oklch(40.2% 0.071 32.7)
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 #00525F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.015
- Dark Teal #014D4E ΔE 0.030
- Dark Slate Gray #2F4F4F ΔE 0.036
- Dark Blue Green #005249 ΔE 0.038
- Charcoal #264653 ΔE 0.040
- Dark Grey Blue #29465B ΔE 0.042
- Petrol #005F6A ΔE 0.042
- Deep Sea Blue #015482 ΔE 0.059
Use #00525F 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.