#312140
Closest named color: Space Cadet (#2B2D42). oklch(28.2% 0.059 306.8), rgb(49, 33, 64).
Aa
White text reads best on this color (14.76:1).
About this color
#312140 is a dark, muted purple. In OKLCH its lightness is 28%, its chroma 0.059 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.038 away. White text reads best on it, at 14.76:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.42:1 |
| White text | 14.76:1 |
Values
| HEX | #312140 |
| RGB | rgb(49, 33, 64) |
| HSL | hsl(271, 32%, 19%) |
| OKLCH | oklch(28.2% 0.059 306.8) |
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 #312140 | 14.76:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #312140 | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #312140 text on white | 14.76:1 | AAA | Lc 101.5 | Preferred for body text |
| #312140 text on black | 1.42:1 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#E0D3EE
oklch(88.6% 0.039 307.2)
-
Step 300
300
#CCB5E4
oklch(80.8% 0.07 307)
-
Step 400
400
#B38ED7
oklch(70.8% 0.111 307)
-
Step 500
500
#A070CC
oklch(63.1% 0.142 306.8)
-
Step 600
600
#8B56B9
oklch(55.6% 0.155 306.8)
-
Step 700
700
#76469F
oklch(49.1% 0.143 306.8)
-
Step 800
800
#603A81
oklch(42.7% 0.119 306.8)
-
Step 900
900
#4E3268
oklch(37.6% 0.094 306.3)
-
Step 950
950 (this color)
#312140
oklch(28.2% 0.059 306.8)
#312140 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) | #1A2741 | 0.042 |
| Deuteranopia (no green cones) | #1E283F | 0.039 |
| Tritanopia (no blue cones) | #2F262D | 0.043 |
| Achromatopsia (no color) | #282828 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312140
#312140
oklch(28.2% 0.059 306.8)
- #222F0B
#222F0B
oklch(28.4% 0.059 126.8)
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 #312140, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.038
- Oxford Blue #1B263B ΔE 0.043
- Dark #1B2431 ΔE 0.052
- Gunmetal #293241 ΔE 0.055
- Jet #212529 ΔE 0.058
- Eggplant #380835 ΔE 0.060
- Dark Purple #35063E ΔE 0.062
- Aubergine #3D0734 ΔE 0.063
Use #312140 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.