#313482
Closest named color: Dark Slate Blue (#483D8B). oklch(37.1% 0.129 276.5), rgb(49, 52, 130).
Aa
White text reads best on this color (10.80:1).
About this color
#313482 is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.129 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.048 away. White text reads best on it, at 10.80:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.94:1 |
| White text | 10.80:1 |
Values
| HEX | #313482 |
| RGB | rgb(49, 52, 130) |
| HSL | hsl(238, 45%, 35%) |
| OKLCH | oklch(37.1% 0.129 276.5) |
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 #313482 | 10.80:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #313482 | 1.94:1 | Fails | Lc 9.2 | Not readable |
| #313482 text on white | 10.80:1 | AAA | Lc 94.7 | Preferred for body text |
| #313482 text on black | 1.94:1 | Fails | Lc -7.9 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FD
oklch(93.6% 0.028 274.7)
-
Step 200
200
#CFD7FD
oklch(88.5% 0.053 275.9)
-
Step 300
300
#B0BBFF
oklch(80.8% 0.097 276.9)
-
Step 400
400
#8895FF
oklch(70.6% 0.155 276.4)
-
Step 500
500
#6E77FD
oklch(63.1% 0.196 276.3)
-
Step 600
600
#595BED
oklch(55.7% 0.214 276.3)
-
Step 700
700
#4A49CE
oklch(49.1% 0.199 276.5)
-
Step 800
800
#3C3DA6
oklch(42.6% 0.165 276.4)
-
Step 900
900 (this color)
#313482
oklch(37.1% 0.129 276.5)
-
Step 950
950
#1D204D
oklch(26.9% 0.082 276.5)
#313482 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) | #004185 | 0.048 |
| Deuteranopia (no green cones) | #003A80 | 0.044 |
| Tritanopia (no blue cones) | #004755 | 0.111 |
| Achromatopsia (no color) | #3D3D3D | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #313482
#313482
oklch(37.1% 0.129 276.5)
- #4C3F00
#4C3F00
oklch(37% 0.076 95.8)
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 #313482, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.048
- Twilight Blue #0A437A ΔE 0.053
- Cobalt #1E488F ΔE 0.056
- Blueberry #464196 ΔE 0.059
- Marine Blue #01386A ΔE 0.063
- Sapphire #2138AB ΔE 0.070
- Light Navy #155084 ΔE 0.078
- Prussian Blue #1D3557 ΔE 0.081
Use #313482 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.