#152455
Closest named color: Marine (#042E60). oklch(28% 0.091 267.4), rgb(21, 36, 85).
Aa
White text reads best on this color (14.83:1).
About this color
#152455 is a dark, moderately saturated blue. In OKLCH its lightness is 28%, its chroma 0.091 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.034 away. White text reads best on it, at 14.83:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.41:1 |
| White text | 14.83:1 |
Values
| HEX | #152455 |
| RGB | rgb(21, 36, 85) |
| HSL | hsl(226, 60%, 21%) |
| OKLCH | oklch(28% 0.091 267.4) |
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 #152455 | 14.83:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #152455 | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #152455 text on white | 14.83:1 | AAA | Lc 101.4 | Preferred for body text |
| #152455 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
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#C9D9FF
oklch(88.6% 0.055 267.2)
-
Step 300
300
#A5BFFF
oklch(80.9% 0.095 267.2)
-
Step 400
400
#779BFF
oklch(70.7% 0.152 267.5)
-
Step 500
500
#557EFF
oklch(63.2% 0.197 267.3)
-
Step 600
600
#385DFD
oklch(55.7% 0.24 267.4)
-
Step 700
700
#2C4BDC
oklch(49.1% 0.222 267.4)
-
Step 800
800
#243FB2
oklch(42.8% 0.185 267.3)
-
Step 900
900
#20378D
oklch(37.6% 0.145 267.4)
-
Step 950
950 (this color)
#152455
oklch(28% 0.091 267.4)
#152455 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) | #042B57 | 0.023 |
| Deuteranopia (no green cones) | #002554 | 0.019 |
| Tritanopia (no blue cones) | #003038 | 0.075 |
| Achromatopsia (no color) | #282828 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #152455
#152455
oklch(28% 0.091 267.4)
- #352600
#352600
oklch(27.9% 0.057 86)
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 #152455, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.034
- Oxford Blue #1B263B ΔE 0.050
- Midnight Blue #191970 ΔE 0.054
- Prussian Blue #1D3557 ΔE 0.055
- Space Cadet #2B2D42 ΔE 0.060
- Dark Indigo #1F0954 ΔE 0.061
- Marine Blue #01386A ΔE 0.066
- Dark #1B2431 ΔE 0.068
Use #152455 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.