#31284D
Closest named color: Space Cadet (#2B2D42). oklch(30.6% 0.066 293.3), rgb(49, 40, 77).
Aa
White text reads best on this color (13.62:1).
About this color
#31284D is a dark, muted purple. In OKLCH its lightness is 31%, its chroma 0.066 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.030 away. White text reads best on it, at 13.62:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.54:1 |
| White text | 13.62:1 |
Values
| HEX | #31284D |
| RGB | rgb(49, 40, 77) |
| HSL | hsl(255, 32%, 23%) |
| OKLCH | oklch(30.6% 0.066 293.3) |
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 #31284D | 13.62:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #31284D | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #31284D text on white | 13.62:1 | AAA | Lc 100.1 | Preferred for body text |
| #31284D text on black | 1.54:1 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#DAD4F4
oklch(88.5% 0.044 294.1)
-
Step 300
300
#C2B8EF
oklch(81% 0.077 292.9)
-
Step 400
400
#A491E7
oklch(70.7% 0.124 293.1)
-
Step 500
500
#8F73DF
oklch(63.1% 0.158 293.3)
-
Step 600
600
#7A59CD
oklch(55.6% 0.172 293.1)
-
Step 700
700
#6748B1
oklch(49.1% 0.16 293.2)
-
Step 800
800
#543C90
oklch(42.8% 0.133 293.1)
-
Step 900
900
#453473
oklch(37.7% 0.104 293.2)
-
Step 950
950 (this color)
#31284D
oklch(30.6% 0.066 293.3)
#31284D 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) | #1C2E4E | 0.036 |
| Deuteranopia (no green cones) | #1D2D4C | 0.034 |
| Tritanopia (no blue cones) | #2B2F36 | 0.054 |
| Achromatopsia (no color) | #2E2E2E | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31284D
#31284D
oklch(30.6% 0.066 293.3)
- #2F3203
#2F3203
oklch(30.4% 0.065 113.4)
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 #31284D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.030
- Gunmetal #293241 ΔE 0.045
- Prussian Blue #1D3557 ΔE 0.047
- Oxford Blue #1B263B ΔE 0.052
- Marine #042E60 ΔE 0.062
- Dark Blue Grey #1F3B4D ΔE 0.064
- Dark #1B2431 ΔE 0.066
- Onyx #343A40 ΔE 0.069
Use #31284D 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.