#312D44
Closest named color: Space Cadet (#2B2D42). oklch(31.2% 0.041 291.8), rgb(49, 45, 68).
Aa
White text reads best on this color (13.21:1).
About this color
#312D44 is a dark, muted purple. In OKLCH its lightness is 31%, its chroma 0.041 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.011 away. White text reads best on it, at 13.21:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.58:1 |
| White text | 13.21:1 |
Values
| HEX | #312D44 |
| RGB | rgb(49, 45, 68) |
| HSL | hsl(250, 20%, 22%) |
| OKLCH | oklch(31.2% 0.041 291.8) |
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 #312D44 | 13.21:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #312D44 | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #312D44 text on white | 13.21:1 | AAA | Lc 99.5 | Preferred for body text |
| #312D44 text on black | 1.58:1 | 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
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#D9D6EA
oklch(88.4% 0.027 292.7)
-
Step 300
300
#C0BCDE
oklch(80.9% 0.048 290.7)
-
Step 400
400
#A198CE
oklch(70.7% 0.078 291.9)
-
Step 500
500
#8A7EC1
oklch(63.1% 0.1 291.5)
-
Step 600
600
#7567AD
oklch(55.7% 0.107 291.7)
-
Step 700
700
#625595
oklch(49.1% 0.101 291.6)
-
Step 800
800
#504679
oklch(42.8% 0.083 291.5)
-
Step 900
900
#423B61
oklch(37.7% 0.064 291.5)
-
Step 950
950 (this color)
#312D44
oklch(31.2% 0.041 291.8)
#312D44 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) | #273045 | 0.018 |
| Deuteranopia (no green cones) | #273043 | 0.019 |
| Tritanopia (no blue cones) | #2D3135 | 0.035 |
| Achromatopsia (no color) | #303030 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312D44
#312D44
oklch(31.2% 0.041 291.8)
- #31331A
#31331A
oklch(31.2% 0.041 112.5)
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 #312D44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.011
- Gunmetal #293241 ΔE 0.022
- Prussian Blue #1D3557 ΔE 0.044
- Onyx #343A40 ΔE 0.047
- Oxford Blue #1B263B ΔE 0.048
- Dark Blue Grey #1F3B4D ΔE 0.048
- Midnight Green #073B4C ΔE 0.059
- Dark #1B2431 ΔE 0.059
Use #312D44 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.