#232D52
Closest named color: Prussian Blue (#1D3557). oklch(30.8% 0.068 270.6), rgb(35, 45, 82).
Aa
White text reads best on this color (13.38:1).
About this color
#232D52 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.068 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.025 away. White text reads best on it, at 13.38:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.56:1 |
| White text | 13.38:1 |
Values
| HEX | #232D52 |
| RGB | rgb(35, 45, 82) |
| HSL | hsl(227, 40%, 23%) |
| OKLCH | oklch(30.8% 0.068 270.6) |
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 #232D52 | 13.38:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #232D52 | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #232D52 text on white | 13.38:1 | AAA | Lc 99.7 | Preferred for body text |
| #232D52 text on black | 1.56:1 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CED8F8
oklch(88.5% 0.045 271.7)
-
Step 300
300
#ADBFF6
oklch(81% 0.081 270.5)
-
Step 400
400
#829BF1
oklch(70.6% 0.129 270.5)
-
Step 500
500
#6580EC
oklch(63.2% 0.164 270.5)
-
Step 600
600
#4E66DA
oklch(55.5% 0.179 270.7)
-
Step 700
700
#3F54BD
oklch(49% 0.166 270.5)
-
Step 800
800
#344699
oklch(42.8% 0.137 270.4)
-
Step 900
900
#2D3B7A
oklch(37.6% 0.108 271)
-
Step 950
950 (this color)
#232D52
oklch(30.8% 0.068 270.6)
#232D52 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) | #1E3153 | 0.013 |
| Deuteranopia (no green cones) | #192D51 | 0.014 |
| Tritanopia (no blue cones) | #0D353B | 0.061 |
| Achromatopsia (no color) | #2F2F2F | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232D52
#232D52
oklch(30.8% 0.068 270.6)
- #3C2E00
#3C2E00
oklch(30.8% 0.063 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 #232D52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.025
- Space Cadet #2B2D42 ΔE 0.031
- Marine #042E60 ΔE 0.038
- Gunmetal #293241 ΔE 0.040
- Oxford Blue #1B263B ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.049
- Marine Blue #01386A ΔE 0.053
- Midnight Green #073B4C ΔE 0.053
Use #232D52 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.