#233261
Closest named color: Prussian Blue (#1D3557). oklch(33.1% 0.085 268.2), rgb(35, 50, 97).
Aa
White text reads best on this color (12.35:1).
About this color
#233261 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.085 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.023 away. White text reads best on it, at 12.35:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.70:1 |
| White text | 12.35:1 |
Values
| HEX | #233261 |
| RGB | rgb(35, 50, 97) |
| HSL | hsl(225, 47%, 26%) |
| OKLCH | oklch(33.1% 0.085 268.2) |
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 #233261 | 12.35:1 | AAA | Lc -101.4 | Preferred for body text |
| Black text on #233261 | 1.70:1 | Fails | Lc 0.0 | Not readable |
| #233261 text on white | 12.35:1 | AAA | Lc 97.9 | Preferred for body text |
| #233261 text on black | 1.70:1 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F1
oklch(88.5% 0.035 267.6)
-
Step 300
300
#AFC0EB
oklch(80.9% 0.064 268.1)
-
Step 400
400
#859EE1
oklch(70.7% 0.103 268.1)
-
Step 500
500
#6885D8
oklch(63.2% 0.13 268)
-
Step 600
600
#506DC6
oklch(55.7% 0.142 268)
-
Step 700
700
#415AAB
oklch(49.1% 0.133 268.3)
-
Step 800
800
#364A8A
oklch(42.7% 0.109 268.5)
-
Step 900
900 (this color)
#233261
oklch(33.1% 0.085 268.2)
-
Step 950
950
#1B2541
oklch(27% 0.054 267.8)
#233261 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) | #1C3763 | 0.016 |
| Deuteranopia (no green cones) | #133260 | 0.018 |
| Tritanopia (no blue cones) | #003D44 | 0.076 |
| Achromatopsia (no color) | #353535 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #233261
#233261
oklch(33.1% 0.085 268.2)
- #443300
#443300
oklch(33.1% 0.068 88.1)
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 #233261, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.023
- Marine Blue #01386A ΔE 0.032
- Marine #042E60 ΔE 0.034
- Dark Blue Grey #1F3B4D ΔE 0.051
- Space Cadet #2B2D42 ΔE 0.055
- Midnight Green #073B4C ΔE 0.058
- Gunmetal #293241 ΔE 0.058
- Twilight Blue #0A437A ΔE 0.061
Use #233261 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.