#312954
Closest named color: Space Cadet (#2B2D42). oklch(31.3% 0.075 289.9), rgb(49, 41, 84).
Aa
White text reads best on this color (13.32:1).
About this color
#312954 is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.075 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.039 away. White text reads best on it, at 13.32:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.57:1 |
| White text | 13.32:1 |
Values
| HEX | #312954 |
| RGB | rgb(49, 41, 84) |
| HSL | hsl(251, 34%, 25%) |
| OKLCH | oklch(31.3% 0.075 289.9) |
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 #312954 | 13.32:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #312954 | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #312954 text on white | 13.32:1 | AAA | Lc 99.6 | Preferred for body text |
| #312954 text on black | 1.57:1 | 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
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D8D4F8
oklch(88.4% 0.049 290.4)
-
Step 300
300
#BFB7F7
oklch(80.8% 0.09 290)
-
Step 400
400
#A08FF3
oklch(70.6% 0.144 290)
-
Step 500
500
#8B70EE
oklch(63.1% 0.182 290)
-
Step 600
600
#7654DC
oklch(55.5% 0.198 289.9)
-
Step 700
700
#6443BF
oklch(49% 0.184 290.2)
-
Step 800
800
#51399B
oklch(42.8% 0.152 289.7)
-
Step 900
900
#43327B
oklch(37.7% 0.119 290.2)
-
Step 950
950 (this color)
#312954
oklch(31.3% 0.075 289.9)
#312954 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) | #193056 | 0.039 |
| Deuteranopia (no green cones) | #1A2E53 | 0.037 |
| Tritanopia (no blue cones) | #28323A | 0.063 |
| Achromatopsia (no color) | #2F2F2F | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312954
#312954
oklch(31.3% 0.075 289.9)
- #333400
#333400
oklch(31.4% 0.069 111)
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 #312954, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.043
- Gunmetal #293241 ΔE 0.051
- Marine #042E60 ΔE 0.056
- Oxford Blue #1B263B ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.064
- Marine Blue #01386A ΔE 0.068
- Onyx #343A40 ΔE 0.073
Use #312954 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.