#03244B
Closest named color: Oxford Blue (#1B263B). oklch(26.3% 0.082 255.3), rgb(3, 36, 75).
Aa
White text reads best on this color (15.46:1).
About this color
#03244B is a dark, moderately saturated blue. In OKLCH its lightness is 26%, its chroma 0.082 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.040 away. White text reads best on it, at 15.46:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.35:1 |
| White text | 15.46:1 |
Values
| HEX | #03244B |
| RGB | rgb(3, 36, 75) |
| HSL | hsl(213, 92%, 15%) |
| OKLCH | oklch(26.3% 0.082 255.3) |
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 #03244B | 15.46:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #03244B | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #03244B text on white | 15.46:1 | AAA | Lc 102.1 | Preferred for body text |
| #03244B text on black | 1.35:1 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DEEBFD
oklch(93.6% 0.028 256.5)
-
Step 200
200
#C2DBFD
oklch(88.4% 0.054 256.1)
-
Step 300
300
#97C4FE
oklch(81% 0.096 255)
-
Step 400
400
#59A2FE
oklch(70.7% 0.154 255.2)
-
Step 500
500
#1B87FD
oklch(63.1% 0.198 255.3)
-
Step 600
600
#0070DC
oklch(55.6% 0.186 255.4)
-
Step 700
700
#005EBA
oklch(49.1% 0.163 255.3)
-
Step 800
800
#004D9A
oklch(42.7% 0.142 255.2)
-
Step 900
900
#004082
oklch(37.8% 0.125 255.2)
-
Step 950
950 (this color)
#03244B
oklch(26.3% 0.082 255.3)
#03244B 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) | #0E284C | 0.018 |
| Deuteranopia (no green cones) | #00214A | 0.011 |
| Tritanopia (no blue cones) | #002D33 | 0.061 |
| Achromatopsia (no color) | #242424 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03244B
#03244B
oklch(26.3% 0.082 255.3)
- #342000
#342000
oklch(26.3% 0.055 75.1)
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 #03244B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.040
- Marine #042E60 ΔE 0.047
- Dark #1B2431 ΔE 0.054
- Navy Blue #001146 ΔE 0.058
- Rich Black #0D1B2A ΔE 0.065
- Space Cadet #2B2D42 ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.066
- Dark Indigo #1F0954 ΔE 0.071
Use #03244B 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.