#02523F
Closest named color: Dark Blue Green (#005249). oklch(39.1% 0.076 170.2), rgb(2, 82, 63).
Aa
White text reads best on this color (9.20:1).
About this color
#02523F is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 39%, its chroma 0.076 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.017 away. White text reads best on it, at 9.20:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.28:1 |
| White text | 9.20:1 |
Values
| HEX | #02523F |
| RGB | rgb(2, 82, 63) |
| HSL | hsl(166, 95%, 16%) |
| OKLCH | oklch(39.1% 0.076 170.2) |
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 #02523F | 9.20:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #02523F | 2.28:1 | Fails | Lc 13.2 | Not readable |
| #02523F text on white | 9.20:1 | AAA | Lc 90.8 | Preferred for body text |
| #02523F text on black | 2.28:1 | Fails | Lc -11.6 | 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
#E0EEE8
oklch(93.7% 0.017 168.5)
-
Step 200
200
#C5E0D6
oklch(88.4% 0.032 171.3)
-
Step 300
300
#9CCDBB
oklch(80.9% 0.057 170.3)
-
Step 400
400
#60B398
oklch(70.6% 0.091 170.3)
-
Step 500
500
#20A07F
oklch(63.2% 0.117 170.3)
-
Step 600
600
#00876A
oklch(55.5% 0.109 170.8)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800
#005D48
oklch(42.6% 0.084 170.6)
-
Step 900
900 (this color)
#02523F
oklch(39.1% 0.076 170.2)
-
Step 950
950
#062E23
oklch(27% 0.048 170.3)
#02523F 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) | #4F4C3E | 0.077 |
| Deuteranopia (no green cones) | #464540 | 0.074 |
| Tritanopia (no blue cones) | #00534D | 0.023 |
| Achromatopsia (no color) | #484848 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #02523F
#02523F
oklch(39.1% 0.076 170.2)
- #63334B
#63334B
oklch(39.1% 0.076 349.9)
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 #02523F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.017
- Dark Teal #014D4E ΔE 0.035
- Evergreen #05472A ΔE 0.043
- Deep Teal #00555A ΔE 0.044
- Dark Slate Gray #2F4F4F ΔE 0.047
- Spruce #0A5F38 ΔE 0.049
- Pine Green #0A481E ΔE 0.051
- Pine #2B5D34 ΔE 0.053
Use #02523F 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.