#243252
Closest named color: Prussian Blue (#1D3557). oklch(32.1% 0.06 265.2), rgb(36, 50, 82).
Aa
White text reads best on this color (12.70:1).
About this color
#243252 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.060 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.013 away. White text reads best on it, at 12.70:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.65:1 |
| White text | 12.70:1 |
Values
| HEX | #243252 |
| RGB | rgb(36, 50, 82) |
| HSL | hsl(222, 39%, 23%) |
| OKLCH | oklch(32.1% 0.06 265.2) |
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 #243252 | 12.70:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #243252 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #243252 text on white | 12.70:1 | AAA | Lc 98.7 | Preferred for body text |
| #243252 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 950.
-
Step 50
50
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CCD9F4
oklch(88.4% 0.04 265.1)
-
Step 300
300
#AAC0F0
oklch(80.8% 0.072 265.6)
-
Step 400
400
#7E9FE8
oklch(70.8% 0.114 265.1)
-
Step 500
500
#5E85E1
oklch(63.1% 0.145 265.2)
-
Step 600
600
#456CCF
oklch(55.5% 0.159 265.4)
-
Step 700
700
#375AB3
oklch(49.1% 0.147 265.2)
-
Step 800
800
#2E4A91
oklch(42.7% 0.122 265.4)
-
Step 900
900
#283E74
oklch(37.6% 0.096 265.4)
-
Step 950
950 (this color)
#243252
oklch(32.1% 0.06 265.2)
#243252 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) | #263553 | 0.010 |
| Deuteranopia (no green cones) | #203151 | 0.007 |
| Tritanopia (no blue cones) | #0F393E | 0.054 |
| Achromatopsia (no color) | #333333 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #243252
#243252
oklch(32.1% 0.06 265.2)
- #413007
#413007
oklch(32% 0.06 84.6)
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 #243252, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.013
- Space Cadet #2B2D42 ΔE 0.030
- Gunmetal #293241 ΔE 0.031
- Dark Blue Grey #1F3B4D ΔE 0.033
- Midnight Green #073B4C ΔE 0.041
- Marine #042E60 ΔE 0.043
- Marine Blue #01386A ΔE 0.048
- Onyx #343A40 ΔE 0.053
Use #243252 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.