#0A2829
Closest named color: Jet (#212529). oklch(25.5% 0.035 198.3), rgb(10, 40, 41).
Aa
White text reads best on this color (15.57:1).
About this color
#0A2829 is a dark, muted teal or cyan. In OKLCH its lightness is 26%, its chroma 0.035 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Jet (#212529), ΔE 0.031 away. White text reads best on it, at 15.57:1.
| Hue family | Teals and cyans |
| Lightness | dark (26%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Jet (#212529) |
| Black text | 1.34:1 |
| White text | 15.57:1 |
Values
| HEX | #0A2829 |
| RGB | rgb(10, 40, 41) |
| HSL | hsl(182, 61%, 10%) |
| OKLCH | oklch(25.5% 0.035 198.3) |
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 #0A2829 | 15.57:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #0A2829 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #0A2829 text on white | 15.57:1 | AAA | Lc 102.4 | Preferred for body text |
| #0A2829 text on black | 1.34:1 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECED
oklch(93.5% 0.012 203.5)
-
Step 200
200
#C9DEDF
oklch(88.5% 0.022 200.2)
-
Step 300
300
#A2C9CA
oklch(80.8% 0.041 198.3)
-
Step 400
400
#6DAEB0
oklch(70.8% 0.067 198.3)
-
Step 500
500
#3F999C
oklch(63.1% 0.085 198.3)
-
Step 600
600
#0D8387
oklch(55.5% 0.092 198.7)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#055B5D
oklch(42.8% 0.071 197.5)
-
Step 900
900
#144A4C
oklch(37.6% 0.055 198.6)
-
Step 950
950 (this color)
#0A2829
oklch(25.5% 0.035 198.3)
#0A2829 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) | #252629 | 0.036 |
| Deuteranopia (no green cones) | #202229 | 0.034 |
| Tritanopia (no blue cones) | #002A28 | 0.011 |
| Achromatopsia (no color) | #242424 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A2829
#0A2829
oklch(25.5% 0.035 198.3)
- #321C1C
#321C1C
oklch(25.6% 0.035 19.8)
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 #0A2829, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.031
- Dark #1B2431 ΔE 0.032
- Oxford Blue #1B263B ΔE 0.044
- Rich Black #0D1B2A ΔE 0.049
- Dark Forest Green #002D04 ΔE 0.069
- Space Cadet #2B2D42 ΔE 0.069
- Gunmetal #293241 ΔE 0.069
- Very Dark Green #062E03 ΔE 0.070
Use #0A2829 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.