#31334F
Closest named color: Gunmetal (#293241). oklch(33.2% 0.049 280.2), rgb(49, 51, 79).
Aa
White text reads best on this color (12.23:1).
About this color
#31334F is a dark, muted purple. In OKLCH its lightness is 33%, its chroma 0.049 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.029 away. White text reads best on it, at 12.23:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.71:1 |
| White text | 12.23:1 |
Values
| HEX | #31334F |
| RGB | rgb(49, 51, 79) |
| HSL | hsl(236, 23%, 25%) |
| OKLCH | oklch(33.2% 0.049 280.2) |
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 #31334F | 12.23:1 | AAA | Lc -101.4 | Preferred for body text |
| Black text on #31334F | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #31334F text on white | 12.23:1 | AAA | Lc 97.9 | Preferred for body text |
| #31334F text on black | 1.71:1 | 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 900.
-
Step 50
50
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D6D8E7
oklch(88.5% 0.021 279.9)
-
Step 300
300
#BBBED9
oklch(80.8% 0.038 280.5)
-
Step 400
400
#999DC6
oklch(70.7% 0.06 280.4)
-
Step 500
500
#8085B7
oklch(63.2% 0.075 279.6)
-
Step 600
600
#6A6EA3
oklch(55.7% 0.082 280.1)
-
Step 700
700
#585C8B
oklch(49.2% 0.075 279.5)
-
Step 800
800
#484B71
oklch(42.7% 0.063 279.9)
-
Step 900
900 (this color)
#31334F
oklch(33.2% 0.049 280.2)
-
Step 950
950
#232536
oklch(27% 0.032 278.9)
#31334F 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) | #2A3650 | 0.013 |
| Deuteranopia (no green cones) | #29344E | 0.013 |
| Tritanopia (no blue cones) | #29383D | 0.043 |
| Achromatopsia (no color) | #353535 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31334F
#31334F
oklch(33.2% 0.049 280.2)
- #3C3716
#3C3716
oklch(33.4% 0.05 100.8)
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 #31334F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.029
- Space Cadet #2B2D42 ΔE 0.030
- Prussian Blue #1D3557 ΔE 0.030
- Dark Blue Grey #1F3B4D ΔE 0.035
- Onyx #343A40 ΔE 0.041
- Midnight Green #073B4C ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.059
- Charcoal #264653 ΔE 0.060
Use #31334F 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.