#31284F
Closest named color: Space Cadet (#2B2D42). oklch(30.7% 0.069 292.5), rgb(49, 40, 79).
Aa
White text reads best on this color (13.57:1).
About this color
#31284F is a dark, muted purple. In OKLCH its lightness is 31%, its chroma 0.069 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 0.033 away. White text reads best on it, at 13.57:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.54:1 |
| White text | 13.57:1 |
Values
| HEX | #31284F |
| RGB | rgb(49, 40, 79) |
| HSL | hsl(254, 33%, 23%) |
| OKLCH | oklch(30.7% 0.069 292.5) |
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 #31284F | 13.57:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #31284F | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #31284F text on white | 13.57:1 | AAA | Lc 100.0 | Preferred for body text |
| #31284F 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
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#D9D4F5
oklch(88.4% 0.045 292.4)
-
Step 300
300
#C2B7F1
oklch(80.8% 0.082 293.2)
-
Step 400
400
#A390EA
oklch(70.6% 0.13 292.4)
-
Step 500
500
#8E72E4
oklch(63.1% 0.166 292.3)
-
Step 600
600
#7A57D2
oklch(55.6% 0.181 292.6)
-
Step 700
700
#6746B6
oklch(49.1% 0.169 292.7)
-
Step 800
800
#543B93
oklch(42.8% 0.139 292.7)
-
Step 900
900
#453375
oklch(37.7% 0.109 293)
-
Step 950
950 (this color)
#31284F
oklch(30.7% 0.069 292.5)
#31284F 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) | #1B2F50 | 0.038 |
| Deuteranopia (no green cones) | #1C2D4E | 0.035 |
| Tritanopia (no blue cones) | #2A2F37 | 0.056 |
| Achromatopsia (no color) | #2E2E2E | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31284F
#31284F
oklch(30.7% 0.069 292.5)
- #303300
#303300
oklch(30.8% 0.069 113.3)
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 #31284F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.033
- Prussian Blue #1D3557 ΔE 0.046
- Gunmetal #293241 ΔE 0.047
- Oxford Blue #1B263B ΔE 0.054
- Marine #042E60 ΔE 0.060
- Dark Blue Grey #1F3B4D ΔE 0.064
- Dark #1B2431 ΔE 0.069
- Onyx #343A40 ΔE 0.071
Use #31284F 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.