#587AB3#587AB3

#587AB3 is a mid, moderate blue. Relative luminance 0.192; OKLCH L 57.9% C 0.097 H 260.4°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#587AB3
RGB	rgb(88, 122, 179)
HSL	hsl(218, 37%, 52%)
HSV	hsv(218, 51%, 70%)
CMYK	cmyk(50.8%, 31.8%, 0%, 29.8%)
CIE-LAB	lab(50.98, 4.27, -33.88)
CIE-LCH	lch(50.98, 34.15, 277.19°)
OKLab	oklab(57.85% -0.0162 -0.0952)
OKLCH	oklch(57.85% 0.097 260.4)
XYZ	xyz(19.1180, 19.2471, 45.3467)
Luminance	0.1925 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587AB3 #B39158

analogous

#58A8B3 #587AB3 #6358B3

triadic

#587AB3 #B3587A #7AB358

tetradic

#587AB3 #B358A8 #B39158 #58B363

square

#587AB3 #B358A8 #B39158 #58B363

split-complementary

#587AB3 #B36358 #A8B358

monochromatic

#2D4163 #405D8D #587AB3 #829BC6 #ACBDD9

Accessibility & contrast

On white

4.33

#587AB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#587AB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587AB3

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587AB3	#FFFFFF	#000000	##000000
##587AB3	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647EB5

Deuteranopia (green-blind)

#5976B2

Tritanopia (blue-blind)

#2E868E

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #587ab3;
/* rgb */ color: rgb(88, 122, 179);
/* oklch */ color: oklch(57.9% 0.097 260.4);

Tailwind

colors: {
  custom: {
    50: '#8ca0ca',
    500: '#587ab3',
    950: '#000000',
  },
}

SCSS

$custom: #587ab3;
$custom-light: #8ca0ca;
$custom-dark: #000000;

JSON

{
  "hex": "#587ab3",
  "rgb": {
    "r": 88,
    "g": 122,
    "b": 179
  },
  "hsl": {
    "h": 217.582,
    "s": 37.449,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57854,
    "c": 0.09662,
    "h": 260.4
  },
  "luminance": 0.19248
}

Semantic roles & 50–950 ramp

primary

#587AB3

secondary

#C7B8A0

accent

#A25ACD

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #587AB3

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

Preview Lab → · Contrast checker → · Palette generator →