#587FEF#587FEF

#587FEF is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.4% C 0.174 H 266.9°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#587FEF
RGB	rgb(88, 127, 239)
HSL	hsl(225, 83%, 64%)
HSV	hsv(225, 63%, 94%)
CMYK	cmyk(63.2%, 46.9%, 0%, 6.3%)
CIE-LAB	lab(55.57, 20.97, -60.58)
CIE-LCH	lch(55.57, 64.11, 289.09°)
OKLab	oklab(62.44% -0.0094 -0.1733)
OKLCH	oklch(62.44% 0.174 266.9)
XYZ	xyz(27.1885, 23.4830, 84.7445)
Luminance	0.2349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587FEF #EFC858

analogous

#58CBEF #587FEF #7D58EF

triadic

#587FEF #EF587F #7FEF58

tetradic

#587FEF #EF58CB #EFC858 #58EF7D

square

#587FEF #EF58CB #EFC858 #58EF7D

split-complementary

#587FEF #EF7D58 #CBEF58

monochromatic

#123DBB #2054EA #587FEF #90AAF4 #C8D5FA

Accessibility & contrast

On white

3.69

#587FEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#587FEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587FEF

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587FEF	#FFFFFF	#000000	##000000
##587FEF	1.00	3.69	5.70	5.70
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#468CF3

Deuteranopia (green-blind)

#297FED

Tritanopia (blue-blind)

#0099AB

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #587fef;
/* rgb */ color: rgb(88, 127, 239);
/* oklch */ color: oklch(62.4% 0.174 266.9);

Tailwind

colors: {
  custom: {
    50: '#95a3f5',
    500: '#587fef',
    950: '#000000',
  },
}

SCSS

$custom: #587fef;
$custom-light: #95a3f5;
$custom-dark: #000000;

JSON

{
  "hex": "#587fef",
  "rgb": {
    "r": 88,
    "g": 127,
    "b": 239
  },
  "hsl": {
    "h": 224.503,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.62442,
    "c": 0.17357,
    "h": 266.9
  },
  "luminance": 0.23485
}

Semantic roles & 50–950 ramp

primary

#587FEF

secondary

#ECDEB7

accent

#A707DF

background

#F9FAFF

surface

#F2F3FE

border

#CCCDD6

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #587FEF

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

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