#5759CB#5759CB

#5759CB is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.6% C 0.173 H 277.9°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#5759CB
RGB	rgb(87, 89, 203)
HSL	hsl(239, 53%, 57%)
HSV	hsv(239, 57%, 80%)
CMYK	cmyk(57.1%, 56.2%, 0%, 20.4%)
CIE-LAB	lab(43.48, 32.23, -59.69)
CIE-LCH	lch(43.48, 67.84, 298.36°)
OKLab	oklab(52.57% 0.0237 -0.1712)
OKLCH	oklch(52.57% 0.173 277.9)
XYZ	xyz(18.2789, 13.4815, 58.1273)
Luminance	0.1348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5759CB #CBC957

analogous

#5793CB #5759CB #8F57CB

triadic

#5759CB #CB5759 #59CB57

tetradic

#5759CB #CB5793 #CBC957 #57CB8F

square

#5759CB #CB5793 #CBC957 #57CB8F

split-complementary

#5759CB #CB8F57 #93CB57

monochromatic

#282980 #3638AF #5759CB #8687D9 #B4B5E8

Accessibility & contrast

On white

5.68

#5759CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#5759CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5759CB

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5759CB	#FFFFFF	#000000	##FFFFFF
##5759CB	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CCF

Deuteranopia (green-blind)

#0062C9

Tritanopia (blue-blind)

#107489

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5759cb;
/* rgb */ color: rgb(87, 89, 203);
/* oklch */ color: oklch(52.6% 0.173 277.9);

Tailwind

colors: {
  custom: {
    50: '#9088dc',
    500: '#5759cb',
    950: '#000000',
  },
}

SCSS

$custom: #5759cb;
$custom-light: #9088dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5759cb",
  "rgb": {
    "r": 87,
    "g": 89,
    "b": 203
  },
  "hsl": {
    "h": 238.966,
    "s": 52.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.52565,
    "c": 0.1728,
    "h": 277.9
  },
  "luminance": 0.13483
}

Semantic roles & 50–950 ramp

primary

#5759CB

secondary

#D7D6A7

accent

#DA4CDC

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5759CB

Body copy rendered with the generated semantic roles for this colour.

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