#05274E
Closest named color: Marine (#042E60). oklch(27.4% 0.081 254.9), rgb(5, 39, 78).
Aa
White text reads best on this color (14.92:1).
About this color
#05274E is a dark, moderately saturated blue. In OKLCH its lightness is 27%, its chroma 0.081 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.037 away. White text reads best on it, at 14.92:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.40:1 |
| White text | 14.92:1 |
Values
| HEX | #05274E |
| RGB | rgb(5, 39, 78) |
| HSL | hsl(212, 88%, 16%) |
| OKLCH | oklch(27.4% 0.081 254.9) |
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 #05274E | 14.92:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #05274E | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #05274E text on white | 14.92:1 | AAA | Lc 101.5 | Preferred for body text |
| #05274E text on black | 1.40:1 | 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
#C2DCFD
oklch(88.6% 0.054 254.5)
-
Step 300
300
#96C4FE
oklch(80.9% 0.096 254.6)
-
Step 400
400
#58A2FE
oklch(70.6% 0.154 255)
-
Step 500
500
#1887FC
oklch(63% 0.197 255)
-
Step 600
600
#0071DA
oklch(55.6% 0.182 254.8)
-
Step 700
700
#005FB9
oklch(49.2% 0.161 254.8)
-
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)
#05274E
oklch(27.4% 0.081 254.9)
#05274E 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) | #122B4F | 0.019 |
| Deuteranopia (no green cones) | #02244D | 0.011 |
| Tritanopia (no blue cones) | #003036 | 0.060 |
| Achromatopsia (no color) | #272727 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #05274E
#05274E
oklch(27.4% 0.081 254.9)
- #382300
#382300
oklch(27.6% 0.058 75.5)
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 #05274E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.037
- Oxford Blue #1B263B ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.055
- Dark #1B2431 ΔE 0.056
- Space Cadet #2B2D42 ΔE 0.058
- Gunmetal #293241 ΔE 0.066
- Navy Blue #001146 ΔE 0.068
- Marine Blue #01386A ΔE 0.068
Use #05274E 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.