#5857E9
Closest named color: Warm Blue (#4B57DB). oklch(54.6% 0.214 276.9), rgb(88, 87, 233).
Aa
White text reads best on this color (5.30:1).
About this color
#5857E9 is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.214 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.028 away. White text reads best on it, at 5.30:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.214) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.95:1 |
| White text | 5.30:1 |
Values
| HEX | #5857E9 |
| RGB | rgb(88, 87, 233) |
| HSL | hsl(240, 77%, 63%) |
| OKLCH | oklch(54.6% 0.214 276.9) |
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 #5857E9 | 5.30:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #5857E9 | 3.95:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #5857E9 text on white | 5.30:1 | AA | Lc 75.9 | Fine for body text |
| #5857E9 text on black | 3.95:1 | AA large text | Lc -25.9 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FD
oklch(93.7% 0.027 276.8)
-
Step 200
200
#D0D7FD
oklch(88.6% 0.053 277)
-
Step 300
300
#B0BBFF
oklch(80.8% 0.097 276.9)
-
Step 400
400
#8995FF
oklch(70.7% 0.154 276.8)
-
Step 500
500
#6F76FD
oklch(63% 0.197 276.9)
-
Step 600
600 (this color)
#5857E9
oklch(54.6% 0.214 276.9)
-
Step 700
700
#4B49CE
oklch(49.2% 0.199 276.8)
-
Step 800
800
#3D3DA6
oklch(42.7% 0.164 276.9)
-
Step 900
900
#333684
oklch(37.8% 0.128 276.7)
-
Step 950
950
#1E204D
oklch(27% 0.081 277.5)
#5857E9 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) | #0072EE | 0.077 |
| Deuteranopia (no green cones) | #0065E6 | 0.066 |
| Tritanopia (no blue cones) | #007C98 | 0.179 |
| Achromatopsia (no color) | #6B6B6B | 0.215 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5857E9
#5857E9
oklch(54.6% 0.214 276.9)
- #837000
#837000
oklch(54.7% 0.113 97.3)
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 #5857E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.028
- Neon Blue #4361EE ΔE 0.031
- Royal Blue #4169E1 ΔE 0.047
- Dark Periwinkle #665FD1 ΔE 0.047
- Slate Blue #6A5ACD ΔE 0.052
- Light Indigo #6D5ACF ΔE 0.052
- Azul #1D5DEC ΔE 0.056
- Iris #6258C4 ΔE 0.059
Use #5857E9 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.