#232455
Closest named color: Marine (#042E60). oklch(29% 0.087 278.6), rgb(35, 36, 85).
Aa
White text reads best on this color (14.43:1).
About this color
#232455 is a dark, moderately saturated blue. In OKLCH its lightness is 29%, its chroma 0.087 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.042 away. White text reads best on it, at 14.43:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.45:1 |
| White text | 14.43:1 |
Values
| HEX | #232455 |
| RGB | rgb(35, 36, 85) |
| HSL | hsl(239, 42%, 24%) |
| OKLCH | oklch(29% 0.087 278.6) |
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 #232455 | 14.43:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #232455 | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #232455 text on white | 14.43:1 | AAA | Lc 101.0 | Preferred for body text |
| #232455 text on black | 1.45:1 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FE
oklch(93.5% 0.03 279.6)
-
Step 200
200
#D0D6FF
oklch(88.5% 0.057 278.6)
-
Step 300
300
#B2BBFF
oklch(81% 0.097 278.2)
-
Step 400
400
#8C94FF
oklch(70.7% 0.155 278.4)
-
Step 500
500
#7374FF
oklch(63.1% 0.202 278.6)
-
Step 600
600
#5E55F4
oklch(55.7% 0.229 278.4)
-
Step 700
700
#4F43D4
oklch(49.1% 0.213 278.8)
-
Step 800
800
#4039AB
oklch(42.7% 0.175 278.7)
-
Step 900
900
#353388
oklch(37.7% 0.138 278.5)
-
Step 950
950 (this color)
#232455
oklch(29% 0.087 278.6)
#232455 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) | #082C57 | 0.035 |
| Deuteranopia (no green cones) | #022854 | 0.037 |
| Tritanopia (no blue cones) | #0B2F38 | 0.076 |
| Achromatopsia (no color) | #2A2A2A | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232455
#232455
oklch(29% 0.087 278.6)
- #332B00
#332B00
oklch(28.9% 0.06 98.2)
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 #232455, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.051
- Space Cadet #2B2D42 ΔE 0.051
- Oxford Blue #1B263B ΔE 0.052
- Midnight Blue #191970 ΔE 0.058
- Dark Indigo #1F0954 ΔE 0.063
- Gunmetal #293241 ΔE 0.065
- Marine Blue #01386A ΔE 0.067
Use #232455 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.