#23335F
Closest named color: Prussian Blue (#1D3557). oklch(33.2% 0.081 267), rgb(35, 51, 95).
Aa
White text reads best on this color (12.27:1).
About this color
#23335F is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.081 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.018 away. White text reads best on it, at 12.27:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.71:1 |
| White text | 12.27:1 |
Values
| HEX | #23335F |
| RGB | rgb(35, 51, 95) |
| HSL | hsl(224, 46%, 25%) |
| OKLCH | oklch(33.2% 0.081 267) |
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 #23335F | 12.27:1 | AAA | Lc -101.3 | Preferred for body text |
| Black text on #23335F | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #23335F text on white | 12.27:1 | AAA | Lc 97.8 | Preferred for body text |
| #23335F text on black | 1.71:1 | 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
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CFD9F0
oklch(88.5% 0.033 266.9)
-
Step 300
300
#AFC0E9
oklch(80.9% 0.061 267.4)
-
Step 400
400
#859FDE
oklch(70.7% 0.097 266.7)
-
Step 500
500
#6886D4
oklch(63.2% 0.123 267)
-
Step 600
600
#506EC1
oklch(55.6% 0.134 267.1)
-
Step 700
700
#415CA7
oklch(49.2% 0.124 266.9)
-
Step 800
800
#354B87
oklch(42.6% 0.103 266.9)
-
Step 900
900 (this color)
#23335F
oklch(33.2% 0.081 267)
-
Step 950
950
#1B253F
oklch(26.9% 0.051 267)
#23335F 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) | #1F3861 | 0.015 |
| Deuteranopia (no green cones) | #17325E | 0.015 |
| Tritanopia (no blue cones) | #003D44 | 0.071 |
| Achromatopsia (no color) | #353535 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23335F
#23335F
oklch(33.2% 0.081 267)
- #453300
#453300
oklch(33.2% 0.068 86.9)
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 #23335F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.018
- Marine Blue #01386A ΔE 0.032
- Marine #042E60 ΔE 0.035
- Dark Blue Grey #1F3B4D ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.052
- Midnight Green #073B4C ΔE 0.053
- Gunmetal #293241 ΔE 0.054
- Twilight Blue #0A437A ΔE 0.061
Use #23335F 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.