#232F62
Closest named color: Prussian Blue (#1D3557). oklch(32.5% 0.091 270.6), rgb(35, 47, 98).
Aa
White text reads best on this color (12.69:1).
About this color
#232F62 is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.091 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.030 away. White text reads best on it, at 12.69:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.65:1 |
| White text | 12.69:1 |
Values
| HEX | #232F62 |
| RGB | rgb(35, 47, 98) |
| HSL | hsl(229, 47%, 26%) |
| OKLCH | oklch(32.5% 0.091 270.6) |
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 #232F62 | 12.69:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #232F62 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #232F62 text on white | 12.69:1 | AAA | Lc 98.5 | Preferred for body text |
| #232F62 text on black | 1.65:1 | 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
#E5EAF8
oklch(93.7% 0.02 270.2)
-
Step 200
200
#CFD8F3
oklch(88.4% 0.038 271)
-
Step 300
300
#B0BFEE
oklch(80.9% 0.069 271)
-
Step 400
400
#879DE5
oklch(70.8% 0.109 270.5)
-
Step 500
500
#6A83DD
oklch(63.2% 0.138 270.3)
-
Step 600
600
#536ACB
oklch(55.6% 0.152 270.7)
-
Step 700
700
#4458B0
oklch(49.2% 0.141 270.8)
-
Step 800
800
#38488E
oklch(42.6% 0.117 271)
-
Step 900
900 (this color)
#232F62
oklch(32.5% 0.091 270.6)
-
Step 950
950
#1C2443
oklch(27% 0.059 271.1)
#232F62 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) | #153664 | 0.024 |
| Deuteranopia (no green cones) | #093061 | 0.026 |
| Tritanopia (no blue cones) | #003B43 | 0.081 |
| Achromatopsia (no color) | #333333 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232F62
#232F62
oklch(32.5% 0.091 270.6)
- #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 #232F62, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.030
- Marine #042E60 ΔE 0.031
- Marine Blue #01386A ΔE 0.036
- Space Cadet #2B2D42 ΔE 0.057
- Dark Blue Grey #1F3B4D ΔE 0.059
- Gunmetal #293241 ΔE 0.063
- Midnight Blue #191970 ΔE 0.064
- Midnight Green #073B4C ΔE 0.065
Use #232F62 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.