#312457
Closest named color: Space Cadet (#2B2D42). oklch(30.5% 0.089 292.1), rgb(49, 36, 87).
Aa
White text reads best on this color (13.81:1).
About this color
#312457 is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.089 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.052 away. White text reads best on it, at 13.81:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.52:1 |
| White text | 13.81:1 |
Values
| HEX | #312457 |
| RGB | rgb(49, 36, 87) |
| HSL | hsl(255, 41%, 24%) |
| OKLCH | oklch(30.5% 0.089 292.1) |
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 #312457 | 13.81:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #312457 | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #312457 text on white | 13.81:1 | AAA | Lc 100.2 | Preferred for body text |
| #312457 text on black | 1.52:1 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#EAE7FD
oklch(93.7% 0.03 292.1)
-
Step 200
200
#D9D3FD
oklch(88.5% 0.058 291.7)
-
Step 300
300
#C2B4FF
oklch(80.9% 0.105 292.4)
-
Step 400
400
#A48AFF
oklch(70.7% 0.167 291.8)
-
Step 500
500
#9166FD
oklch(63.1% 0.214 292.3)
-
Step 600
600
#7D47EC
oklch(55.6% 0.232 292.1)
-
Step 700
700
#6A36CE
oklch(49.2% 0.217 292)
-
Step 800
800
#562FA6
oklch(42.7% 0.179 292.1)
-
Step 900
900
#462C84
oklch(37.7% 0.14 291.9)
-
Step 950
950 (this color)
#312457
oklch(30.5% 0.089 292.1)
#312457 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) | #0C2E59 | 0.054 |
| Deuteranopia (no green cones) | #0F2C56 | 0.051 |
| Tritanopia (no blue cones) | #272F39 | 0.073 |
| Achromatopsia (no color) | #2D2D2D | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312457
#312457
oklch(30.5% 0.089 292.1)
- #303200
#303200
oklch(30.5% 0.068 112.2)
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 #312457, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.056
- Marine #042E60 ΔE 0.059
- Gunmetal #293241 ΔE 0.066
- Oxford Blue #1B263B ΔE 0.066
- Midnight Blue #191970 ΔE 0.069
- Marine Blue #01386A ΔE 0.074
- Dark Indigo #1F0954 ΔE 0.075
Use #312457 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.