#0A3B41
Closest named color: Midnight Green (#073B4C). oklch(32.4% 0.05 207.2), rgb(10, 59, 65).
Aa
White text reads best on this color (12.24:1).
About this color
#0A3B41 is a dark, muted teal or cyan. In OKLCH its lightness is 32%, its chroma 0.050 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.020 away. White text reads best on it, at 12.24:1.
| Hue family | Teals and cyans |
| Lightness | dark (32%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.71:1 |
| White text | 12.24:1 |
Values
| HEX | #0A3B41 |
| RGB | rgb(10, 59, 65) |
| HSL | hsl(187, 73%, 15%) |
| OKLCH | oklch(32.4% 0.05 207.2) |
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 #0A3B41 | 12.24:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #0A3B41 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #0A3B41 text on white | 12.24:1 | AAA | Lc 97.7 | Preferred for body text |
| #0A3B41 text on black | 1.71:1 | 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 900.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CADDE0
oklch(88.4% 0.021 208.1)
-
Step 300
300
#A5C8CD
oklch(80.9% 0.038 207)
-
Step 400
400
#73ACB4
oklch(70.8% 0.06 207)
-
Step 500
500
#4A97A1
oklch(63.2% 0.077 206.6)
-
Step 600
600
#26818C
oklch(55.6% 0.084 206.8)
-
Step 700
700
#166D77
oklch(49.1% 0.078 206.8)
-
Step 800
800
#175961
oklch(42.8% 0.065 206.9)
-
Step 900
900 (this color)
#0A3B41
oklch(32.4% 0.05 207.2)
-
Step 950
950
#112B2E
oklch(27% 0.032 205.4)
#0A3B41 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) | #353841 | 0.049 |
| Deuteranopia (no green cones) | #2D3341 | 0.043 |
| Tritanopia (no blue cones) | #003E3D | 0.015 |
| Achromatopsia (no color) | #353535 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A3B41
#0A3B41
oklch(32.4% 0.05 207.2)
- #4B2926
#4B2926
oklch(32.4% 0.052 25.7)
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 #0A3B41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.020
- Dark Blue Grey #1F3B4D ΔE 0.030
- Gunmetal #293241 ΔE 0.041
- Onyx #343A40 ΔE 0.046
- Prussian Blue #1D3557 ΔE 0.053
- Charcoal #264653 ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.057
- Dark Teal #014D4E ΔE 0.060
Use #0A3B41 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.