#587DBB#587DBB

#587DBB is a mid, moderate blue. Relative luminance 0.203; OKLCH L 58.9% C 0.104 H 260.3°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#587DBB
RGB	rgb(88, 125, 187)
HSL	hsl(218, 42%, 54%)
HSV	hsv(218, 53%, 73%)
CMYK	cmyk(52.9%, 33.2%, 0%, 26.7%)
CIE-LAB	lab(52.21, 5.00, -36.56)
CIE-LCH	lch(52.21, 36.90, 277.79°)
OKLab	oklab(58.94% -0.0176 -0.103)
OKLCH	oklch(58.94% 0.104 260.3)
XYZ	xyz(20.3247, 20.3283, 49.8568)
Luminance	0.2033 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587DBB #BB9658

analogous

#58AFBB #587DBB #6558BB

triadic

#587DBB #BB587D #7DBB58

tetradic

#587DBB #BB58AF #BB9658 #58BB65

square

#587DBB #BB58AF #BB9658 #58BB65

split-complementary

#587DBB #BB6558 #AFBB58

monochromatic

#2C446C #3E6098 #587DBB #839FCD #AFC1DE

Accessibility & contrast

On white

4.15

#587DBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#587DBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587DBB

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587DBB	#FFFFFF	#000000	##000000
##587DBB	1.00	4.15	5.07	5.07
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6582BE

Deuteranopia (green-blind)

#5978BA

Tritanopia (blue-blind)

#248B93

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #587dbb;
/* rgb */ color: rgb(88, 125, 187);
/* oklch */ color: oklch(58.9% 0.104 260.3);

Tailwind

colors: {
  custom: {
    50: '#8da2cf',
    500: '#587dbb',
    950: '#000000',
  },
}

SCSS

$custom: #587dbb;
$custom-light: #8da2cf;
$custom-dark: #000000;

JSON

{
  "hex": "#587dbb",
  "rgb": {
    "r": 88,
    "g": 125,
    "b": 187
  },
  "hsl": {
    "h": 217.576,
    "s": 42.128,
    "l": 53.922
  },
  "oklch": {
    "l": 0.58938,
    "c": 0.10448,
    "h": 260.3
  },
  "luminance": 0.2033
}

Semantic roles & 50–950 ramp

primary

#587DBB

secondary

#CDBDA2

accent

#A456D2

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0F14

muted

#7E7E82

Preview Lab

Preview with #587DBB

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

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