#2C315F
Closest named color: Prussian Blue (#1D3557). oklch(33.4% 0.081 276.4), rgb(44, 49, 95).
Aa
White text reads best on this color (12.26:1).
About this color
#2C315F is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.081 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.028 away. White text reads best on it, at 12.26:1.
| 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 | 12.26:1 |
Values
| HEX | #2C315F |
| RGB | rgb(44, 49, 95) |
| HSL | hsl(234, 37%, 27%) |
| OKLCH | oklch(33.4% 0.081 276.4) |
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 #2C315F | 12.26:1 | AAA | Lc -101.3 | Preferred for body text |
| Black text on #2C315F | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #2C315F text on white | 12.26:1 | AAA | Lc 97.8 | Preferred for body text |
| #2C315F 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D3D8F0
oklch(88.6% 0.033 276.3)
-
Step 300
300
#B6BEE8
oklch(80.9% 0.06 276.5)
-
Step 400
400
#909BDD
oklch(70.6% 0.097 276.3)
-
Step 500
500
#7681D3
oklch(63% 0.124 276.5)
-
Step 600
600
#6069C0
oklch(55.5% 0.134 276.7)
-
Step 700
700
#4F57A6
oklch(49% 0.125 276.4)
-
Step 800
800
#414887
oklch(42.8% 0.104 276.3)
-
Step 900
900 (this color)
#2C315F
oklch(33.4% 0.081 276.4)
-
Step 950
950
#20243F
oklch(27.1% 0.05 276.1)
#2C315F 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) | #1E3761 | 0.024 |
| Deuteranopia (no green cones) | #19335E | 0.025 |
| Tritanopia (no blue cones) | #173B43 | 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°).
- #2C315F
#2C315F
oklch(33.4% 0.081 276.4)
- #413600
#413600
oklch(33.5% 0.069 96.4)
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 #2C315F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.028
- Marine Blue #01386A ΔE 0.044
- Marine #042E60 ΔE 0.045
- Space Cadet #2B2D42 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.053
- Gunmetal #293241 ΔE 0.056
- Midnight Green #073B4C ΔE 0.063
- Twilight Blue #0A437A ΔE 0.067
Use #2C315F 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.