#5857BF
Closest named color: Iris (#6258C4). oklch(51.4% 0.159 279.7), rgb(88, 87, 191).
Aa
White text reads best on this color (5.94:1).
About this color
#5857BF is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.159 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.017 away. White text reads best on it, at 5.94:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.159) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.53:1 |
| White text | 5.94:1 |
Values
| HEX | #5857BF |
| RGB | rgb(88, 87, 191) |
| HSL | hsl(241, 45%, 55%) |
| OKLCH | oklch(51.4% 0.159 279.7) |
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 #5857BF | 5.94:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #5857BF | 3.53:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #5857BF text on white | 5.94:1 | AA | Lc 79.5 | Fine for body text |
| #5857BF text on black | 3.53:1 | AA large text | Lc -22.4 | 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 700.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D3D7F6
oklch(88.6% 0.043 279.7)
-
Step 300
300
#B6BCF2
oklch(80.9% 0.076 279.6)
-
Step 400
400
#9197EC
oklch(70.6% 0.124 279.6)
-
Step 500
500
#787BE6
oklch(63.1% 0.158 279.6)
-
Step 600
600
#6362D4
oklch(55.7% 0.171 279.7)
-
Step 700
700 (this color)
#5857BF
oklch(51.4% 0.159 279.7)
-
Step 800
800
#434294
oklch(42.6% 0.131 279.8)
-
Step 900
900
#383976
oklch(37.7% 0.102 279.6)
-
Step 950
950
#212245
oklch(27.1% 0.064 280)
#5857BF 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) | #1768C3 | 0.068 |
| Deuteranopia (no green cones) | #0060BD | 0.071 |
| Tritanopia (no blue cones) | #296F82 | 0.139 |
| Achromatopsia (no color) | #646464 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5857BF
#5857BF
oklch(51.4% 0.159 279.7)
- #766800
#766800
oklch(51.5% 0.107 100.1)
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 #5857BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.017
- Slate Blue #6A5ACD ΔE 0.036
- Dark Periwinkle #665FD1 ΔE 0.040
- Light Indigo #6D5ACF ΔE 0.042
- Warm Blue #4B57DB ΔE 0.047
- Bluey Purple #6241C7 ΔE 0.051
- Blue With A Hint Of Purple #533CC6 ΔE 0.062
- French Blue #436BAD ΔE 0.066
Use #5857BF 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.