#587DB3#587DB3

#587DB3 is a mid, moderate blue. Relative luminance 0.200; OKLCH L 58.5% C 0.093 H 257.7°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#587DB3
RGB	rgb(88, 125, 179)
HSL	hsl(216, 37%, 52%)
HSV	hsv(216, 51%, 70%)
CMYK	cmyk(50.8%, 30.2%, 0%, 29.8%)
CIE-LAB	lab(51.83, 2.48, -32.54)
CIE-LCH	lch(51.83, 32.64, 274.35°)
OKLab	oklab(58.52% -0.0198 -0.0913)
OKLCH	oklch(58.52% 0.093 257.7)
XYZ	xyz(19.4920, 19.9952, 45.4714)
Luminance	0.2000 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587DB3 #B38E58

analogous

#58ABB3 #587DB3 #6058B3

triadic

#587DB3 #B3587D #7DB358

tetradic

#587DB3 #B358AB #B38E58 #58B360

square

#587DB3 #B358AB #B38E58 #58B360

split-complementary

#587DB3 #B36058 #ABB358

monochromatic

#2D4363 #40608D #587DB3 #829EC6 #ACBED9

Accessibility & contrast

On white

4.20

#587DB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#587DB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587DB3

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587DB3	#FFFFFF	#000000	##000000
##587DB3	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6880B5

Deuteranopia (green-blind)

#5D78B2

Tritanopia (blue-blind)

#2D8990

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #587db3;
/* rgb */ color: rgb(88, 125, 179);
/* oklch */ color: oklch(58.5% 0.093 257.7);

Tailwind

colors: {
  custom: {
    50: '#8ca2ca',
    500: '#587db3',
    950: '#000000',
  },
}

SCSS

$custom: #587db3;
$custom-light: #8ca2ca;
$custom-dark: #000000;

JSON

{
  "hex": "#587db3",
  "rgb": {
    "r": 88,
    "g": 125,
    "b": 179
  },
  "hsl": {
    "h": 215.604,
    "s": 37.449,
    "l": 52.353
  },
  "oklch": {
    "l": 0.58522,
    "c": 0.09348,
    "h": 257.7
  },
  "luminance": 0.19997
}

Semantic roles & 50–950 ramp

primary

#587DB3

secondary

#C7B7A0

accent

#9F5ACD

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F13

muted

#7D7E82

Preview Lab

Preview with #587DB3

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

Preview Lab → · Contrast checker → · Palette generator →