#312E47
Closest named color: Space Cadet (#2B2D42). oklch(31.6% 0.044 289.1), rgb(49, 46, 71).
Aa
White text reads best on this color (13.02:1).
About this color
#312E47 is a dark, muted purple. In OKLCH its lightness is 32%, its chroma 0.044 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.014 away. White text reads best on it, at 13.02:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.61:1 |
| White text | 13.02:1 |
Values
| HEX | #312E47 |
| RGB | rgb(49, 46, 71) |
| HSL | hsl(247, 21%, 23%) |
| OKLCH | oklch(31.6% 0.044 289.1) |
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 #312E47 | 13.02:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #312E47 | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #312E47 text on white | 13.02:1 | AAA | Lc 99.3 | Preferred for body text |
| #312E47 text on black | 1.61:1 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F4
oklch(93.5% 0.016 289.9)
-
Step 200
200
#D8D6EC
oklch(88.4% 0.03 289.9)
-
Step 300
300
#BFBCE1
oklch(81% 0.052 288.9)
-
Step 400
400
#9F98D2
oklch(70.7% 0.084 289.6)
-
Step 500
500
#887EC6
oklch(63.1% 0.107 289.3)
-
Step 600
600
#7266B3
oklch(55.6% 0.117 289.2)
-
Step 700
700
#60559A
oklch(49.2% 0.108 289.1)
-
Step 800
800
#4E457D
oklch(42.6% 0.091 289.3)
-
Step 900
900
#413B64
oklch(37.8% 0.069 289.4)
-
Step 950
950 (this color)
#312E47
oklch(31.6% 0.044 289.1)
#312E47 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) | #273148 | 0.018 |
| Deuteranopia (no green cones) | #273046 | 0.017 |
| Tritanopia (no blue cones) | #2C3237 | 0.037 |
| Achromatopsia (no color) | #313131 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312E47
#312E47
oklch(31.6% 0.044 289.1)
- #333418
#333418
oklch(31.6% 0.045 110.5)
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 #312E47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.014
- Gunmetal #293241 ΔE 0.023
- Prussian Blue #1D3557 ΔE 0.040
- Dark Blue Grey #1F3B4D ΔE 0.045
- Onyx #343A40 ΔE 0.046
- Oxford Blue #1B263B ΔE 0.051
- Midnight Green #073B4C ΔE 0.057
- Dark #1B2431 ΔE 0.063
Use #312E47 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.