#5E57DC
Closest named color: Warm Blue (#4B57DB). oklch(54% 0.196 279.9), rgb(94, 87, 220).
Aa
White text reads best on this color (5.42:1).
About this color
#5E57DC is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.196 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.026 away. White text reads best on it, at 5.42:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.196) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.87:1 |
| White text | 5.42:1 |
Values
| HEX | #5E57DC |
| RGB | rgb(94, 87, 220) |
| HSL | hsl(243, 66%, 60%) |
| OKLCH | oklch(54% 0.196 279.9) |
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 #5E57DC | 5.42:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #5E57DC | 3.87:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #5E57DC text on white | 5.42:1 | AA | Lc 76.6 | Fine for body text |
| #5E57DC text on black | 3.87:1 | AA large text | Lc -25.2 | Dividers and decoration only |
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 600.
-
Step 50
50
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E6E8FB
oklch(93.5% 0.026 281.1)
-
Step 200
200
#D2D6FA
oklch(88.4% 0.05 280.3)
-
Step 300
300
#B5BBF9
oklch(80.9% 0.088 279.9)
-
Step 400
400
#9095F7
oklch(70.7% 0.142 279.9)
-
Step 500
500
#7777F3
oklch(63.1% 0.181 279.9)
-
Step 600
600 (this color)
#5E57DC
oklch(54% 0.196 279.9)
-
Step 700
700
#524BC4
oklch(49.2% 0.182 279.9)
-
Step 800
800
#433E9E
oklch(42.7% 0.151 280.2)
-
Step 900
900
#37367E
oklch(37.6% 0.119 279.7)
-
Step 950
950
#20204A
oklch(26.9% 0.076 280)
#5E57DC 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) | #006FE0 | 0.081 |
| Deuteranopia (no green cones) | #0065D9 | 0.076 |
| Tritanopia (no blue cones) | #107791 | 0.169 |
| Achromatopsia (no color) | #6A6A6A | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E57DC
#5E57DC
oklch(54% 0.196 279.9)
- #7E6F00
#7E6F00
oklch(53.9% 0.112 99.9)
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 #5E57DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.026
- Dark Periwinkle #665FD1 ΔE 0.029
- Slate Blue #6A5ACD ΔE 0.031
- Light Indigo #6D5ACF ΔE 0.032
- Iris #6258C4 ΔE 0.038
- Neon Blue #4361EE ΔE 0.045
- Royal Blue #4169E1 ΔE 0.050
- Bluey Purple #6241C7 ΔE 0.056
Use #5E57DC 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.