#587AB8#587AB8

#587AB8 is a mid, moderate blue. Relative luminance 0.195; OKLCH L 58.1% C 0.104 H 261.8°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#587AB8
RGB	rgb(88, 122, 184)
HSL	hsl(219, 40%, 53%)
HSV	hsv(219, 52%, 72%)
CMYK	cmyk(52.2%, 33.7%, 0%, 27.8%)
CIE-LAB	lab(51.21, 5.85, -36.39)
CIE-LCH	lch(51.21, 36.86, 279.14°)
OKLab	oklab(58.12% -0.0148 -0.1025)
OKLCH	oklch(58.12% 0.104 261.8)
XYZ	xyz(19.6329, 19.4530, 48.0584)
Luminance	0.1945 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587AB8 #B89658

analogous

#58AAB8 #587AB8 #6658B8

triadic

#587AB8 #B8587A #7AB858

tetradic

#587AB8 #B858AA #B89658 #58B866

square

#587AB8 #B858AA #B89658 #58B866

split-complementary

#587AB8 #B86658 #AAB858

monochromatic

#2D4269 #3F5D94 #587AB8 #839CCA #AEBEDD

Accessibility & contrast

On white

4.29

#587AB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#587AB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587AB8

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587AB8	#FFFFFF	#000000	##000000
##587AB8	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#627FBB

Deuteranopia (green-blind)

#5676B7

Tritanopia (blue-blind)

#298890

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #587ab8;
/* rgb */ color: rgb(88, 122, 184);
/* oklch */ color: oklch(58.1% 0.104 261.8);

Tailwind

colors: {
  custom: {
    50: '#8da0cd',
    500: '#587ab8',
    950: '#000000',
  },
}

SCSS

$custom: #587ab8;
$custom-light: #8da0cd;
$custom-dark: #000000;

JSON

{
  "hex": "#587ab8",
  "rgb": {
    "r": 88,
    "g": 122,
    "b": 184
  },
  "hsl": {
    "h": 218.75,
    "s": 40.336,
    "l": 53.333
  },
  "oklch": {
    "l": 0.58117,
    "c": 0.10361,
    "h": 261.8
  },
  "luminance": 0.19454
}

Semantic roles & 50–950 ramp

primary

#587AB8

secondary

#CBBCA1

accent

#A558D0

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #587AB8

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

Preview Lab → · Contrast checker → · Palette generator →