#0D223C
Closest named color: Oxford Blue (#1B263B). oklch(25% 0.056 255), rgb(13, 34, 60).
Aa
White text reads best on this color (16.01:1).
About this color
#0D223C is a dark, muted blue. In OKLCH its lightness is 25%, its chroma 0.056 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.025 away. White text reads best on it, at 16.01:1.
| Hue family | Blues |
| Lightness | dark (25%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.31:1 |
| White text | 16.01:1 |
Values
| HEX | #0D223C |
| RGB | rgb(13, 34, 60) |
| HSL | hsl(213, 64%, 14%) |
| OKLCH | oklch(25% 0.056 255) |
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 #0D223C | 16.01:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #0D223C | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #0D223C text on white | 16.01:1 | AAA | Lc 102.8 | Preferred for body text |
| #0D223C text on black | 1.31:1 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C9DBF2
oklch(88.5% 0.037 254.6)
-
Step 300
300
#A4C3EC
oklch(80.9% 0.067 255.5)
-
Step 400
400
#72A3E2
oklch(70.6% 0.107 255.1)
-
Step 500
500
#4B8BDA
oklch(63.1% 0.137 254.8)
-
Step 600
600
#2C73C8
oklch(55.6% 0.149 255.1)
-
Step 700
700
#1E60AD
oklch(49.1% 0.139 255.1)
-
Step 800
800
#1C4F8C
oklch(42.8% 0.115 255.1)
-
Step 900
900
#1D4270
oklch(37.7% 0.09 255.2)
-
Step 950
950 (this color)
#0D223C
oklch(25% 0.056 255)
#0D223C 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) | #16243D | 0.014 |
| Deuteranopia (no green cones) | #0F1F3B | 0.010 |
| Tritanopia (no blue cones) | #00282C | 0.044 |
| Achromatopsia (no color) | #212121 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D223C
#0D223C
oklch(25% 0.056 255)
- #301D00
#301D00
oklch(24.9% 0.053 74.6)
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 #0D223C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.025
- Dark #1B2431 ΔE 0.030
- Rich Black #0D1B2A ΔE 0.039
- Jet #212529 ΔE 0.049
- Space Cadet #2B2D42 ΔE 0.061
- Navy Blue #001146 ΔE 0.061
- Gunmetal #293241 ΔE 0.071
- Marine #042E60 ΔE 0.071
Use #0D223C 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.