#232553
Closest named color: Marine (#042E60). oklch(29% 0.082 278.1), rgb(35, 37, 83).
Aa
White text reads best on this color (14.37:1).
About this color
#232553 is a dark, moderately saturated blue. In OKLCH its lightness is 29%, its chroma 0.082 and its hue 278°. 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 14.37:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.46:1 |
| White text | 14.37:1 |
Values
| HEX | #232553 |
| RGB | rgb(35, 37, 83) |
| HSL | hsl(238, 41%, 23%) |
| OKLCH | oklch(29% 0.082 278.1) |
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 #232553 | 14.37:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #232553 | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #232553 text on white | 14.37:1 | AAA | Lc 101.0 | Preferred for body text |
| #232553 text on black | 1.46:1 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FD
oklch(93.7% 0.027 276.8)
-
Step 200
200
#D0D6FD
oklch(88.4% 0.054 278.3)
-
Step 300
300
#B2BBFF
oklch(81% 0.097 278.2)
-
Step 400
400
#8B94FF
oklch(70.6% 0.155 278)
-
Step 500
500
#7275FE
oklch(63.1% 0.199 278.1)
-
Step 600
600
#5D59ED
oklch(55.6% 0.216 277.9)
-
Step 700
700
#4E47CE
oklch(49.1% 0.201 278.3)
-
Step 800
800
#3F3CA7
oklch(42.8% 0.167 277.9)
-
Step 900
900
#353584
oklch(37.8% 0.129 278.2)
-
Step 950
950 (this color)
#232553
oklch(29% 0.082 278.1)
#232553 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) | #0E2C55 | 0.030 |
| Deuteranopia (no green cones) | #082852 | 0.032 |
| Tritanopia (no blue cones) | #0E2F38 | 0.071 |
| Achromatopsia (no color) | #2A2A2A | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232553
#232553
oklch(29% 0.082 278.1)
- #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 #232553, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.047
- Oxford Blue #1B263B ΔE 0.048
- Prussian Blue #1D3557 ΔE 0.048
- Gunmetal #293241 ΔE 0.060
- Midnight Blue #191970 ΔE 0.062
- Dark #1B2431 ΔE 0.065
- Dark Indigo #1F0954 ΔE 0.066
Use #232553 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.