#587CBB#587CBB

#587CBB is a mid, moderate blue. Relative luminance 0.201; OKLCH L 58.7% C 0.106 H 261.1°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#587CBB
RGB	rgb(88, 124, 187)
HSL	hsl(218, 42%, 54%)
HSV	hsv(218, 53%, 73%)
CMYK	cmyk(52.9%, 33.7%, 0%, 26.7%)
CIE-LAB	lab(51.92, 5.60, -37.00)
CIE-LCH	lch(51.92, 37.42, 278.61°)
OKLab	oklab(58.72% -0.0164 -0.1043)
OKLCH	oklch(58.72% 0.106 261.1)
XYZ	xyz(20.1988, 20.0764, 49.8148)
Luminance	0.2008 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587CBB #BB9758

analogous

#58AEBB #587CBB #6658BB

triadic

#587CBB #BB587C #7CBB58

tetradic

#587CBB #BB58AE #BB9758 #58BB66

square

#587CBB #BB58AE #BB9758 #58BB66

split-complementary

#587CBB #BB6658 #AEBB58

monochromatic

#2C446C #3E5F98 #587CBB #839ECD #AFC0DE

Accessibility & contrast

On white

4.19

#587CBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#587CBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587CBB

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587CBB	#FFFFFF	#000000	##000000
##587CBB	1.00	4.19	5.02	5.02
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6381BE

Deuteranopia (green-blind)

#5778BA

Tritanopia (blue-blind)

#258A93

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #587cbb;
/* rgb */ color: rgb(88, 124, 187);
/* oklch */ color: oklch(58.7% 0.106 261.1);

Tailwind

colors: {
  custom: {
    50: '#8da1cf',
    500: '#587cbb',
    950: '#000000',
  },
}

SCSS

$custom: #587cbb;
$custom-light: #8da1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#587cbb",
  "rgb": {
    "r": 88,
    "g": 124,
    "b": 187
  },
  "hsl": {
    "h": 218.182,
    "s": 42.128,
    "l": 53.922
  },
  "oklch": {
    "l": 0.58717,
    "c": 0.10557,
    "h": 261.1
  },
  "luminance": 0.20078
}

Semantic roles & 50–950 ramp

primary

#587CBB

secondary

#CDBDA2

accent

#A556D2

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #587CBB

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

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