#0A3260
Closest named color: Marine (#042E60). oklch(31.9% 0.092 255.1), rgb(10, 50, 96).
Aa
White text reads best on this color (12.82:1).
About this color
#0A3260 is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.092 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.014 away. White text reads best on it, at 12.82:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.63:1 |
| White text | 12.82:1 |
Values
| HEX | #0A3260 |
| RGB | rgb(10, 50, 96) |
| HSL | hsl(212, 81%, 21%) |
| OKLCH | oklch(31.9% 0.092 255.1) |
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 #0A3260 | 12.82:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #0A3260 | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #0A3260 text on white | 12.82:1 | AAA | Lc 98.6 | Preferred for body text |
| #0A3260 text on black | 1.63:1 | 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
#EFF6FF
oklch(97% 0.014 254.6)
-
Step 100
100
#DCEBFF
oklch(93.5% 0.032 255.6)
-
Step 200
200
#C0DCFF
oklch(88.5% 0.057 254.1)
-
Step 300
300
#96C4FF
oklch(81% 0.097 254.9)
-
Step 400
400
#58A2FF
oklch(70.7% 0.156 255.2)
-
Step 500
500
#1287FF
oklch(63.1% 0.202 255.1)
-
Step 600
600
#0071DB
oklch(55.7% 0.183 255)
-
Step 700
700
#005EB9
oklch(49% 0.162 255.1)
-
Step 800
800
#004D99
oklch(42.7% 0.14 255)
-
Step 900
900
#004081
oklch(37.7% 0.124 254.9)
-
Step 950
950 (this color)
#0A3260
oklch(31.9% 0.092 255.1)
#0A3260 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) | #1A3662 | 0.020 |
| Deuteranopia (no green cones) | #062E5F | 0.013 |
| Tritanopia (no blue cones) | #003D44 | 0.069 |
| Achromatopsia (no color) | #323232 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A3260
#0A3260
oklch(31.9% 0.092 255.1)
- #462D00
#462D00
oklch(31.9% 0.067 75.8)
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 #0A3260, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.014
- Marine Blue #01386A ΔE 0.023
- Prussian Blue #1D3557 ΔE 0.026
- Midnight Green #073B4C ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.062
- Gunmetal #293241 ΔE 0.063
- Twilight Blue #0A437A ΔE 0.064
Use #0A3260 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.