#312E50
Closest named color: Space Cadet (#2B2D42). oklch(32.1% 0.06 286.6), rgb(49, 46, 80).
Aa
White text reads best on this color (12.82:1).
About this color
#312E50 is a dark, muted purple. In OKLCH its lightness is 32%, its chroma 0.060 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.028 away. White text reads best on it, at 12.82:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.63:1 |
| White text | 12.82:1 |
Values
| HEX | #312E50 |
| RGB | rgb(49, 46, 80) |
| HSL | hsl(245, 27%, 25%) |
| OKLCH | oklch(32.1% 0.06 286.6) |
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 #312E50 | 12.82:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #312E50 | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #312E50 text on white | 12.82:1 | AAA | Lc 98.9 | Preferred for body text |
| #312E50 text on black | 1.63:1 | 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D6D6F3
oklch(88.5% 0.04 285.6)
-
Step 300
300
#BCBAED
oklch(80.8% 0.072 286.5)
-
Step 400
400
#9B95E4
oklch(70.6% 0.114 286.6)
-
Step 500
500
#8479DC
oklch(63% 0.145 286.5)
-
Step 600
600
#6F60C9
oklch(55.6% 0.157 286.7)
-
Step 700
700
#5D4FAE
oklch(49.1% 0.146 286.5)
-
Step 800
800
#4C418D
oklch(42.7% 0.121 286.7)
-
Step 900
900
#3F3870
oklch(37.7% 0.093 286.8)
-
Step 950
950 (this color)
#312E50
oklch(32.1% 0.06 286.6)
#312E50 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) | #233351 | 0.025 |
| Deuteranopia (no green cones) | #23314F | 0.023 |
| Tritanopia (no blue cones) | #29343B | 0.050 |
| Achromatopsia (no color) | #323232 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312E50
#312E50
oklch(32.1% 0.06 286.6)
- #37350B
#37350B
oklch(32.2% 0.06 106.6)
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 #312E50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.028
- Prussian Blue #1D3557 ΔE 0.034
- Gunmetal #293241 ΔE 0.036
- Dark Blue Grey #1F3B4D ΔE 0.048
- Onyx #343A40 ΔE 0.055
- Marine #042E60 ΔE 0.058
- Oxford Blue #1B263B ΔE 0.059
- Midnight Green #073B4C ΔE 0.060
Use #312E50 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.