#0A2246
Closest named color: Oxford Blue (#1B263B). oklch(25.6% 0.074 258.6), rgb(10, 34, 70).
Aa
White text reads best on this color (15.78:1).
About this color
#0A2246 is a dark, moderately saturated blue. In OKLCH its lightness is 26%, its chroma 0.074 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.034 away. White text reads best on it, at 15.78:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.33:1 |
| White text | 15.78:1 |
Values
| HEX | #0A2246 |
| RGB | rgb(10, 34, 70) |
| HSL | hsl(216, 75%, 16%) |
| OKLCH | oklch(25.6% 0.074 258.6) |
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 #0A2246 | 15.78:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #0A2246 | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #0A2246 text on white | 15.78:1 | AAA | Lc 102.5 | Preferred for body text |
| #0A2246 text on black | 1.33:1 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C6DBFA
oklch(88.6% 0.048 258)
-
Step 300
300
#9EC2F9
oklch(80.8% 0.088 258.7)
-
Step 400
400
#68A1F7
oklch(70.7% 0.14 258.4)
-
Step 500
500
#3E86F3
oklch(63% 0.179 258.7)
-
Step 600
600
#196DE2
oklch(55.6% 0.194 258.6)
-
Step 700
700
#085AC4
oklch(49.1% 0.18 258.5)
-
Step 800
800
#0D4A9F
oklch(42.7% 0.15 258.7)
-
Step 900
900
#143F7E
oklch(37.7% 0.117 258.5)
-
Step 950
950 (this color)
#0A2246
oklch(25.6% 0.074 258.6)
#0A2246 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) | #0F2647 | 0.015 |
| Deuteranopia (no green cones) | #032045 | 0.010 |
| Tritanopia (no blue cones) | #002B30 | 0.059 |
| Achromatopsia (no color) | #232323 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A2246
#0A2246
oklch(25.6% 0.074 258.6)
- #311F00
#311F00
oklch(25.6% 0.053 77.5)
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 #0A2246, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.034
- Dark #1B2431 ΔE 0.046
- Navy Blue #001146 ΔE 0.054
- Rich Black #0D1B2A ΔE 0.055
- Marine #042E60 ΔE 0.057
- Space Cadet #2B2D42 ΔE 0.063
- Jet #212529 ΔE 0.065
- Dark Indigo #1F0954 ΔE 0.068
Use #0A2246 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.