#23315C
Closest named color: Prussian Blue (#1D3557). oklch(32.5% 0.079 268.2), rgb(35, 49, 92).
Aa
White text reads best on this color (12.61:1).
About this color
#23315C is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.079 and its hue 268°. 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 12.61:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.66:1 |
| White text | 12.61:1 |
Values
| HEX | #23315C |
| RGB | rgb(35, 49, 92) |
| HSL | hsl(225, 45%, 25%) |
| OKLCH | oklch(32.5% 0.079 268.2) |
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 #23315C | 12.61:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #23315C | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #23315C text on white | 12.61:1 | AAA | Lc 98.4 | Preferred for body text |
| #23315C text on black | 1.66:1 | 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
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9F0
oklch(88.6% 0.033 268.7)
-
Step 300
300
#B0C0E8
oklch(80.9% 0.059 267.9)
-
Step 400
400
#889EDC
oklch(70.6% 0.095 268.9)
-
Step 500
500
#6A85D2
oklch(63% 0.121 268.2)
-
Step 600
600
#536EC0
oklch(55.7% 0.131 268.2)
-
Step 700
700
#435BA5
oklch(49% 0.122 268.2)
-
Step 800
800
#384B86
oklch(42.8% 0.101 268.5)
-
Step 900
900 (this color)
#23315C
oklch(32.5% 0.079 268.2)
-
Step 950
950
#1C253F
oklch(27% 0.05 268.4)
#23315C 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) | #1E365E | 0.015 |
| Deuteranopia (no green cones) | #16315B | 0.016 |
| Tritanopia (no blue cones) | #003B42 | 0.070 |
| Achromatopsia (no color) | #333333 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23315C
#23315C
oklch(32.5% 0.079 268.2)
- #423200
#423200
oklch(32.6% 0.067 89.1)
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 #23315C, 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 #042E60 ΔE 0.033
- Marine Blue #01386A ΔE 0.037
- Space Cadet #2B2D42 ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.047
- Gunmetal #293241 ΔE 0.050
- Midnight Green #073B4C ΔE 0.053
- Oxford Blue #1B263B ΔE 0.067
Use #23315C 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.