#0D274E
Closest named color: Marine (#042E60). oklch(27.7% 0.079 258.6), rgb(13, 39, 78).
Aa
White text reads best on this color (14.81:1).
About this color
#0D274E is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.079 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.036 away. White text reads best on it, at 14.81:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.41:1 |
| White text | 14.81:1 |
Values
| HEX | #0D274E |
| RGB | rgb(13, 39, 78) |
| HSL | hsl(216, 71%, 18%) |
| OKLCH | oklch(27.7% 0.079 258.6) |
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 #0D274E | 14.81:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #0D274E | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #0D274E text on white | 14.81:1 | AAA | Lc 101.4 | Preferred for body text |
| #0D274E text on black | 1.41:1 | 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
#DFEBFC
oklch(93.6% 0.026 257)
-
Step 200
200
#C5DBFC
oklch(88.6% 0.051 258.4)
-
Step 300
300
#9CC2FD
oklch(80.8% 0.094 259)
-
Step 400
400
#64A0FC
oklch(70.6% 0.149 258.7)
-
Step 500
500
#3785FA
oklch(63.1% 0.191 258.7)
-
Step 600
600
#086BE9
oklch(55.6% 0.207 258.6)
-
Step 700
700
#0059C7
oklch(49% 0.186 258.6)
-
Step 800
800
#0349A4
oklch(42.7% 0.16 258.6)
-
Step 900
900
#103E82
oklch(37.6% 0.125 258.9)
-
Step 950
950 (this color)
#0D274E
oklch(27.7% 0.079 258.6)
#0D274E 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) | #132B4F | 0.015 |
| Deuteranopia (no green cones) | #05254D | 0.010 |
| Tritanopia (no blue cones) | #003036 | 0.061 |
| Achromatopsia (no color) | #282828 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0D274E
#0D274E
oklch(27.7% 0.079 258.6)
- #372400
#372400
oklch(27.7% 0.057 79)
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 #0D274E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.036
- Oxford Blue #1B263B ΔE 0.037
- Prussian Blue #1D3557 ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.053
- Dark #1B2431 ΔE 0.054
- Gunmetal #293241 ΔE 0.062
- Marine Blue #01386A ΔE 0.067
- Midnight Green #073B4C ΔE 0.068
Use #0D274E 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.