#0A443C
Closest named color: Evergreen (#05472A). oklch(34.9% 0.058 181.1), rgb(10, 68, 60).
Aa
White text reads best on this color (11.02:1).
About this color
#0A443C is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.058 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Evergreen (#05472A), ΔE 0.035 away. White text reads best on it, at 11.02:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Evergreen (#05472A) |
| Black text | 1.90:1 |
| White text | 11.02:1 |
Values
| HEX | #0A443C |
| RGB | rgb(10, 68, 60) |
| HSL | hsl(172, 74%, 15%) |
| OKLCH | oklch(34.9% 0.058 181.1) |
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 #0A443C | 11.02:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #0A443C | 1.90:1 | Fails | Lc 8.7 | Not readable |
| #0A443C text on white | 11.02:1 | AAA | Lc 95.2 | Preferred for body text |
| #0A443C text on black | 1.90:1 | Fails | Lc -7.5 | 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 900.
-
Step 50
50
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C9DFDA
oklch(88.6% 0.024 180.6)
-
Step 300
300
#A3CAC2
oklch(80.9% 0.043 181.3)
-
Step 400
400
#6EAFA3
oklch(70.7% 0.069 181.2)
-
Step 500
500
#409B8D
oklch(63.1% 0.089 181.6)
-
Step 600
600
#108577
oklch(55.5% 0.096 181.8)
-
Step 700
700
#007164
oklch(49.2% 0.089 181.2)
-
Step 800
800
#075C51
oklch(42.7% 0.075 180.8)
-
Step 900
900 (this color)
#0A443C
oklch(34.9% 0.058 181.1)
-
Step 950
950
#0E2C27
oklch(26.9% 0.037 180.8)
#0A443C 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) | #403F3C | 0.061 |
| Deuteranopia (no green cones) | #393A3D | 0.058 |
| Tritanopia (no blue cones) | #004542 | 0.010 |
| Achromatopsia (no color) | #3C3C3C | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A443C
#0A443C
oklch(34.9% 0.058 181.1)
- #532D38
#532D38
oklch(34.9% 0.058 1.9)
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 #0A443C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Evergreen #05472A ΔE 0.035
- Dark Teal #014D4E ΔE 0.036
- Dark Blue Green #005249 ΔE 0.046
- Midnight Green #073B4C ΔE 0.049
- Charcoal #264653 ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.052
- Pine Green #0A481E ΔE 0.053
- Onyx #343A40 ΔE 0.054
Use #0A443C 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.