#15274F
Closest named color: Marine (#042E60). oklch(28.2% 0.077 263.9), rgb(21, 39, 79).
Aa
White text reads best on this color (14.63:1).
About this color
#15274F is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.077 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.035 away. White text reads best on it, at 14.63:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.43:1 |
| White text | 14.63:1 |
Values
| HEX | #15274F |
| RGB | rgb(21, 39, 79) |
| HSL | hsl(221, 58%, 20%) |
| OKLCH | oklch(28.2% 0.077 263.9) |
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 #15274F | 14.63:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #15274F | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #15274F text on white | 14.63:1 | AAA | Lc 101.3 | Preferred for body text |
| #15274F text on black | 1.43:1 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C8DAFC
oklch(88.6% 0.051 263.2)
-
Step 300
300
#A3C0FC
oklch(80.8% 0.091 264.4)
-
Step 400
400
#719DFB
oklch(70.6% 0.146 264)
-
Step 500
500
#4D82F9
oklch(63.2% 0.187 263.8)
-
Step 600
600
#3267E8
oklch(55.5% 0.204 264)
-
Step 700
700
#2555CA
oklch(49.1% 0.189 263.8)
-
Step 800
800
#2046A3
oklch(42.6% 0.157 264)
-
Step 900
900
#1F3C81
oklch(37.6% 0.122 264.2)
-
Step 950
950 (this color)
#15274F
oklch(28.2% 0.077 263.9)
#15274F 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) | #132B51 | 0.012 |
| Deuteranopia (no green cones) | #08264E | 0.014 |
| Tritanopia (no blue cones) | #003037 | 0.062 |
| Achromatopsia (no color) | #292929 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15274F
#15274F
oklch(28.2% 0.077 263.9)
- #372600
#372600
oklch(28.2% 0.058 82.9)
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 #15274F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.035
- Oxford Blue #1B263B ΔE 0.037
- Prussian Blue #1D3557 ΔE 0.047
- Space Cadet #2B2D42 ΔE 0.048
- Dark #1B2431 ΔE 0.055
- Gunmetal #293241 ΔE 0.058
- Marine Blue #01386A ΔE 0.065
- Midnight Green #073B4C ΔE 0.067
Use #15274F 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.