#0A2524
Closest named color: Jet (#212529). oklch(24.4% 0.033 191.9), rgb(10, 37, 36).
Aa
White text reads best on this color (16.11:1).
About this color
#0A2524 is a very dark, muted teal or cyan. In OKLCH its lightness is 24%, its chroma 0.033 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Jet (#212529), ΔE 0.034 away. White text reads best on it, at 16.11:1.
| Hue family | Teals and cyans |
| Lightness | very dark (24%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Jet (#212529) |
| Black text | 1.30:1 |
| White text | 16.11:1 |
Values
| HEX | #0A2524 |
| RGB | rgb(10, 37, 36) |
| HSL | hsl(178, 57%, 9%) |
| OKLCH | oklch(24.4% 0.033 191.9) |
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 #0A2524 | 16.11:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #0A2524 | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #0A2524 text on white | 16.11:1 | AAA | Lc 103.0 | Preferred for body text |
| #0A2524 text on black | 1.30:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CADEDD
oklch(88.5% 0.021 193.1)
-
Step 300
300
#A5C9C7
oklch(80.9% 0.038 192.3)
-
Step 400
400
#72ADAA
oklch(70.6% 0.061 191.8)
-
Step 500
500
#489996
oklch(63.2% 0.079 192.1)
-
Step 600
600
#238380
oklch(55.6% 0.086 191.9)
-
Step 700
700
#126F6C
oklch(49.2% 0.08 191.4)
-
Step 800
800
#155A58
oklch(42.6% 0.066 192.1)
-
Step 900
900
#1A4A48
oklch(37.6% 0.051 191.4)
-
Step 950
950 (this color)
#0A2524
oklch(24.4% 0.033 191.9)
#0A2524 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) | #222324 | 0.034 |
| Deuteranopia (no green cones) | #1E2024 | 0.031 |
| Tritanopia (no blue cones) | #002625 | 0.009 |
| Achromatopsia (no color) | #212121 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A2524
#0A2524
oklch(24.4% 0.033 191.9)
- #2E191C
#2E191C
oklch(24.3% 0.034 10.6)
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 #0A2524, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.034
- Dark #1B2431 ΔE 0.036
- Rich Black #0D1B2A ΔE 0.043
- Oxford Blue #1B263B ΔE 0.051
- Dark Forest Green #002D04 ΔE 0.067
- Very Dark Green #062E03 ΔE 0.069
- Rich Navy #001219 ΔE 0.076
- Space Cadet #2B2D42 ΔE 0.079
Use #0A2524 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.