#313258
Closest named color: Prussian Blue (#1D3557). oklch(33.5% 0.066 281.1), rgb(49, 50, 88).
Aa
White text reads best on this color (12.15:1).
About this color
#313258 is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.066 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.029 away. White text reads best on it, at 12.15:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.72:1 |
| White text | 12.15:1 |
Values
| HEX | #313258 |
| RGB | rgb(49, 50, 88) |
| HSL | hsl(238, 28%, 27%) |
| OKLCH | oklch(33.5% 0.066 281.1) |
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 #313258 | 12.15:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #313258 | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #313258 text on white | 12.15:1 | AAA | Lc 97.7 | Preferred for body text |
| #313258 text on black | 1.72:1 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D5D7EC
oklch(88.4% 0.029 281.5)
-
Step 300
300
#BABEE1
oklch(81% 0.049 280.1)
-
Step 400
400
#979BD2
oklch(70.7% 0.08 280.9)
-
Step 500
500
#7F82C6
oklch(63.2% 0.102 281.1)
-
Step 600
600
#686AB2
oklch(55.5% 0.111 280.9)
-
Step 700
700
#575899
oklch(49% 0.103 281.2)
-
Step 800
800
#47487C
oklch(42.6% 0.085 281.3)
-
Step 900
900 (this color)
#313258
oklch(33.5% 0.066 281.1)
-
Step 950
950
#23243B
oklch(27.1% 0.043 281.2)
#313258 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) | #253759 | 0.022 |
| Deuteranopia (no green cones) | #233457 | 0.021 |
| Tritanopia (no blue cones) | #253A40 | 0.059 |
| Achromatopsia (no color) | #363636 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #313258
#313258
oklch(33.5% 0.066 281.1)
- #3E3705
#3E3705
oklch(33.4% 0.066 100.8)
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 #313258, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.029
- Space Cadet #2B2D42 ΔE 0.042
- Gunmetal #293241 ΔE 0.045
- Dark Blue Grey #1F3B4D ΔE 0.045
- Marine Blue #01386A ΔE 0.054
- Marine #042E60 ΔE 0.056
- Onyx #343A40 ΔE 0.056
- Midnight Green #073B4C ΔE 0.059
Use #313258 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.