#02327A
Closest named color: Marine Blue (#01386A). oklch(33.9% 0.132 259.6), rgb(2, 50, 122).
Aa
White text reads best on this color (12.07:1).
About this color
#02327A is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.132 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.034 away. White text reads best on it, at 12.07:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.73:1 |
| White text | 12.07:1 |
Values
| HEX | #02327A |
| RGB | rgb(2, 50, 122) |
| HSL | hsl(216, 97%, 24%) |
| OKLCH | oklch(33.9% 0.132 259.6) |
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 #02327A | 12.07:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #02327A | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #02327A text on white | 12.07:1 | AAA | Lc 96.9 | Preferred for body text |
| #02327A text on black | 1.73:1 | 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 900.
-
Step 50
50
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFE
oklch(93.7% 0.029 259.6)
-
Step 200
200
#C4DBFE
oklch(88.6% 0.054 258.7)
-
Step 300
300
#9CC2FF
oklch(80.9% 0.096 259.7)
-
Step 400
400
#65A0FF
oklch(70.8% 0.153 259.5)
-
Step 500
500
#3684FF
oklch(63.2% 0.199 259.4)
-
Step 600
600
#0368F0
oklch(55.5% 0.22 259.6)
-
Step 700
700
#0057CD
oklch(49.1% 0.196 259.6)
-
Step 800
800
#0147A9
oklch(42.7% 0.169 259.6)
-
Step 900
900 (this color)
#02327A
oklch(33.9% 0.132 259.6)
-
Step 950
950
#0A244E
oklch(26.8% 0.084 259.7)
#02327A 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) | #003C7C | 0.028 |
| Deuteranopia (no green cones) | #003179 | 0.004 |
| Tritanopia (no blue cones) | #004450 | 0.100 |
| Achromatopsia (no color) | #363636 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #02327A
#02327A
oklch(33.9% 0.132 259.6)
- #4B3300
#4B3300
oklch(34% 0.071 79.7)
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 #02327A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.034
- Marine #042E60 ΔE 0.046
- Twilight Blue #0A437A ΔE 0.050
- Midnight Blue #191970 ΔE 0.061
- Royal #0C1793 ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.065
- Cobalt #1E488F ΔE 0.075
- Dark Blue #00008B ΔE 0.085
Use #02327A 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.