#0B224A
Closest named color: Oxford Blue (#1B263B). oklch(26% 0.08 260.6), rgb(11, 34, 74).
Aa
White text reads best on this color (15.64:1).
About this color
#0B224A is a dark, moderately saturated blue. In OKLCH its lightness is 26%, its chroma 0.080 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.039 away. White text reads best on it, at 15.64:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.34:1 |
| White text | 15.64:1 |
Values
| HEX | #0B224A |
| RGB | rgb(11, 34, 74) |
| HSL | hsl(218, 74%, 17%) |
| OKLCH | oklch(26% 0.08 260.6) |
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 #0B224A | 15.64:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #0B224A | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #0B224A text on white | 15.64:1 | AAA | Lc 102.3 | Preferred for body text |
| #0B224A text on black | 1.34:1 | 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
#E0EBFD
oklch(93.7% 0.027 260.3)
-
Step 200
200
#C6DAFD
oklch(88.5% 0.053 261.7)
-
Step 300
300
#9EC2FE
oklch(81% 0.094 260.4)
-
Step 400
400
#689FFE
oklch(70.7% 0.151 260.7)
-
Step 500
500
#3E83FC
oklch(63% 0.194 260.7)
-
Step 600
600
#1B69EB
oklch(55.6% 0.21 260.6)
-
Step 700
700
#0D56CD
oklch(49.1% 0.196 260.7)
-
Step 800
800
#0F47A6
oklch(42.6% 0.163 260.8)
-
Step 900
900
#153D83
oklch(37.6% 0.126 260.7)
-
Step 950
950 (this color)
#0B224A
oklch(26% 0.08 260.6)
#0B224A 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) | #0B264B | 0.013 |
| Deuteranopia (no green cones) | #002149 | 0.012 |
| Tritanopia (no blue cones) | #002C32 | 0.063 |
| Achromatopsia (no color) | #232323 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B224A
#0B224A
oklch(26% 0.08 260.6)
- #312100
#312100
oklch(26.1% 0.054 81.9)
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 #0B224A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.039
- Marine #042E60 ΔE 0.051
- Dark #1B2431 ΔE 0.052
- Navy Blue #001146 ΔE 0.055
- Rich Black #0D1B2A ΔE 0.062
- Dark Indigo #1F0954 ΔE 0.064
- Space Cadet #2B2D42 ΔE 0.064
- Prussian Blue #1D3557 ΔE 0.069
Use #0B224A 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.