#0A2A44
Closest named color: Oxford Blue (#1B263B). oklch(27.7% 0.061 247.1), rgb(10, 42, 68).
Aa
White text reads best on this color (14.71:1).
About this color
#0A2A44 is a dark, muted blue. In OKLCH its lightness is 28%, its chroma 0.061 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.024 away. White text reads best on it, at 14.71:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.42:1 |
| White text | 14.71:1 |
Values
| HEX | #0A2A44 |
| RGB | rgb(10, 42, 68) |
| HSL | hsl(207, 74%, 15%) |
| OKLCH | oklch(27.7% 0.061 247.1) |
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 #0A2A44 | 14.71:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #0A2A44 | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #0A2A44 text on white | 14.71:1 | AAA | Lc 101.3 | Preferred for body text |
| #0A2A44 text on black | 1.42:1 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFECF7
oklch(93.7% 0.02 243.4)
-
Step 200
200
#C5DCF3
oklch(88.5% 0.04 248.3)
-
Step 300
300
#9CC6ED
oklch(81% 0.071 246.8)
-
Step 400
400
#61A7E4
oklch(70.7% 0.114 246.6)
-
Step 500
500
#2C8FDC
oklch(63.1% 0.146 246.9)
-
Step 600
600
#0078C3
oklch(55.7% 0.146 246.8)
-
Step 700
700
#0064A5
oklch(49% 0.13 247.2)
-
Step 800
800
#005288
oklch(42.7% 0.112 246.9)
-
Step 900
900
#054471
oklch(37.6% 0.096 247.2)
-
Step 950
950 (this color)
#0A2A44
oklch(27.7% 0.061 247.1)
#0A2A44 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) | #1E2B45 | 0.023 |
| Deuteranopia (no green cones) | #162644 | 0.016 |
| Tritanopia (no blue cones) | #003033 | 0.044 |
| Achromatopsia (no color) | #282828 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A2A44
#0A2A44
oklch(27.7% 0.061 247.1)
- #3B2100
#3B2100
oklch(27.6% 0.061 67.7)
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 #0A2A44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.024
- Dark #1B2431 ΔE 0.039
- Space Cadet #2B2D42 ΔE 0.045
- Gunmetal #293241 ΔE 0.050
- Marine #042E60 ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.053
- Jet #212529 ΔE 0.053
- Midnight Green #073B4C ΔE 0.057
Use #0A2A44 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.