#0A2C3A
Closest named color: Oxford Blue (#1B263B). oklch(27.6% 0.046 229.4), rgb(10, 44, 58).
Aa
White text reads best on this color (14.64:1).
About this color
#0A2C3A is a dark, muted teal or cyan. In OKLCH its lightness is 28%, its chroma 0.046 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.027 away. White text reads best on it, at 14.64:1.
| Hue family | Teals and cyans |
| Lightness | dark (28%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.43:1 |
| White text | 14.64:1 |
Values
| HEX | #0A2C3A |
| RGB | rgb(10, 44, 58) |
| HSL | hsl(197, 71%, 13%) |
| OKLCH | oklch(27.6% 0.046 229.4) |
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 #0A2C3A | 14.64:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #0A2C3A | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #0A2C3A text on white | 14.64:1 | AAA | Lc 101.3 | Preferred for body text |
| #0A2C3A text on black | 1.43:1 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF2
oklch(93.6% 0.015 229)
-
Step 200
200
#C6DDE9
oklch(88.4% 0.03 230.3)
-
Step 300
300
#9DC8DD
oklch(80.9% 0.054 229.3)
-
Step 400
400
#63ABCC
oklch(70.7% 0.087 229.4)
-
Step 500
500
#2B95BF
oklch(63% 0.112 229.6)
-
Step 600
600
#007EA7
oklch(55.5% 0.111 230)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#044860
oklch(37.6% 0.073 229.4)
-
Step 950
950 (this color)
#0A2C3A
oklch(27.6% 0.046 229.4)
#0A2C3A 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) | #252B3B | 0.033 |
| Deuteranopia (no green cones) | #1E263A | 0.029 |
| Tritanopia (no blue cones) | #003031 | 0.027 |
| Achromatopsia (no color) | #292929 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A2C3A
#0A2C3A
oklch(27.6% 0.046 229.4)
- #3A2112
#3A2112
oklch(27.7% 0.046 50.9)
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 #0A2C3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.027
- Dark #1B2431 ΔE 0.031
- Jet #212529 ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.046
- Gunmetal #293241 ΔE 0.047
- Midnight Green #073B4C ΔE 0.055
- Rich Black #0D1B2A ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.062
Use #0A2C3A 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.