#232F64
Closest named color: Marine (#042E60). oklch(32.6% 0.094 270.8), rgb(35, 47, 100).
Aa
White text reads best on this color (12.63:1).
About this color
#232F64 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.094 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.032 away. White text reads best on it, at 12.63:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.66:1 |
| White text | 12.63:1 |
Values
| HEX | #232F64 |
| RGB | rgb(35, 47, 100) |
| HSL | hsl(229, 48%, 26%) |
| OKLCH | oklch(32.6% 0.094 270.8) |
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 #232F64 | 12.63:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #232F64 | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #232F64 text on white | 12.63:1 | AAA | Lc 98.4 | Preferred for body text |
| #232F64 text on black | 1.66:1 | 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 900.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4E9F8
oklch(93.5% 0.021 271.2)
-
Step 200
200
#CFD8F4
oklch(88.4% 0.04 271.4)
-
Step 300
300
#AFBFEF
oklch(80.9% 0.07 270.4)
-
Step 400
400
#869CE7
oklch(70.6% 0.113 270.8)
-
Step 500
500
#6982E0
oklch(63.1% 0.144 270.6)
-
Step 600
600
#5269CE
oklch(55.5% 0.157 270.8)
-
Step 700
700
#4357B2
oklch(49% 0.146 270.8)
-
Step 800
800
#374890
oklch(42.7% 0.12 270.6)
-
Step 900
900 (this color)
#232F64
oklch(32.6% 0.094 270.8)
-
Step 950
950
#1C2443
oklch(27% 0.059 271.1)
#232F64 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) | #133666 | 0.024 |
| Deuteranopia (no green cones) | #053063 | 0.028 |
| Tritanopia (no blue cones) | #003B44 | 0.082 |
| Achromatopsia (no color) | #333333 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232F64
#232F64
oklch(32.6% 0.094 270.8)
- #413200
#413200
oklch(32.5% 0.066 90.4)
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 #232F64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.032
- Prussian Blue #1D3557 ΔE 0.033
- Marine Blue #01386A ΔE 0.035
- Space Cadet #2B2D42 ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.062
- Midnight Blue #191970 ΔE 0.062
- Twilight Blue #0A437A ΔE 0.065
- Gunmetal #293241 ΔE 0.066
Use #232F64 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.