#233159
Closest named color: Prussian Blue (#1D3557). oklch(32.3% 0.074 267.6), rgb(35, 49, 89).
Aa
White text reads best on this color (12.68:1).
About this color
#233159 is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.074 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.015 away. White text reads best on it, at 12.68:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.65:1 |
| White text | 12.68:1 |
Values
| HEX | #233159 |
| RGB | rgb(35, 49, 89) |
| HSL | hsl(224, 44%, 24%) |
| OKLCH | oklch(32.3% 0.074 267.6) |
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 #233159 | 12.68:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #233159 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #233159 text on white | 12.68:1 | AAA | Lc 98.6 | Preferred for body text |
| #233159 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFB
oklch(93.6% 0.025 265.6)
-
Step 200
200
#CBD9FA
oklch(88.5% 0.048 267.2)
-
Step 300
300
#A8BFFA
oklch(80.9% 0.088 267.9)
-
Step 400
400
#7B9CF8
oklch(70.8% 0.14 267.8)
-
Step 500
500
#5B80F4
oklch(63.1% 0.178 267.8)
-
Step 600
600
#4366E3
oklch(55.6% 0.194 267.7)
-
Step 700
700
#3554C5
oklch(49.2% 0.18 267.6)
-
Step 800
800
#2C459F
oklch(42.6% 0.149 267.8)
-
Step 900
900
#273B7F
oklch(37.7% 0.118 268)
-
Step 950
950 (this color)
#233159
oklch(32.3% 0.074 267.6)
#233159 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) | #20355B | 0.012 |
| Deuteranopia (no green cones) | #193058 | 0.014 |
| Tritanopia (no blue cones) | #033A40 | 0.067 |
| Achromatopsia (no color) | #333333 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #233159
#233159
oklch(32.3% 0.074 267.6)
- #423100
#423100
oklch(32.3% 0.066 87.5)
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 #233159, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.015
- Marine #042E60 ΔE 0.035
- Marine Blue #01386A ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.041
- Dark Blue Grey #1F3B4D ΔE 0.043
- Gunmetal #293241 ΔE 0.045
- Midnight Green #073B4C ΔE 0.050
- Oxford Blue #1B263B ΔE 0.062
Use #233159 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.