#312754
Closest named color: Space Cadet (#2B2D42). oklch(30.9% 0.079 291.3), rgb(49, 39, 84).
Aa
White text reads best on this color (13.55:1).
About this color
#312754 is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.079 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.042 away. White text reads best on it, at 13.55:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.54:1 |
| White text | 13.55:1 |
Values
| HEX | #312754 |
| RGB | rgb(49, 39, 84) |
| HSL | hsl(253, 37%, 24%) |
| OKLCH | oklch(30.9% 0.079 291.3) |
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 #312754 | 13.55:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #312754 | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #312754 text on white | 13.55:1 | AAA | Lc 99.9 | Preferred for body text |
| #312754 text on black | 1.54:1 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FB
oklch(93.5% 0.027 290.5)
-
Step 200
200
#D9D4F9
oklch(88.6% 0.051 291.5)
-
Step 300
300
#C1B6F9
oklch(80.9% 0.094 291.7)
-
Step 400
400
#A28EF5
oklch(70.7% 0.148 291.1)
-
Step 500
500
#8E6DF1
oklch(63.1% 0.19 291.5)
-
Step 600
600
#7950E0
oklch(55.5% 0.208 291.2)
-
Step 700
700
#6740C2
oklch(49.1% 0.192 291.5)
-
Step 800
800
#53369D
oklch(42.7% 0.159 291.1)
-
Step 900
900
#44307D
oklch(37.6% 0.125 291.2)
-
Step 950
950 (this color)
#312754
oklch(30.9% 0.079 291.3)
#312754 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) | #162F56 | 0.043 |
| Deuteranopia (no green cones) | #172D53 | 0.041 |
| Tritanopia (no blue cones) | #283039 | 0.065 |
| Achromatopsia (no color) | #2E2E2E | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312754
#312754
oklch(30.9% 0.079 291.3)
- #313300
#313300
oklch(30.9% 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 #312754, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.048
- Gunmetal #293241 ΔE 0.056
- Marine #042E60 ΔE 0.057
- Oxford Blue #1B263B ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.070
- Marine Blue #01386A ΔE 0.071
- Midnight Blue #191970 ΔE 0.076
Use #312754 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.