#587DB9#587DB9

#587DB9 is a mid, moderate blue. Relative luminance 0.202; OKLCH L 58.8% C 0.102 H 259.7°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#587DB9
RGB	rgb(88, 125, 185)
HSL	hsl(217, 41%, 54%)
HSV	hsv(217, 52%, 73%)
CMYK	cmyk(52.4%, 32.4%, 0%, 27.5%)
CIE-LAB	lab(52.11, 4.37, -35.56)
CIE-LCH	lch(52.11, 35.82, 277.00°)
OKLab	oklab(58.83% -0.0181 -0.1001)
OKLCH	oklch(58.83% 0.102 259.7)
XYZ	xyz(20.1121, 20.2432, 48.7370)
Luminance	0.2024 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587DB9 #B99458

analogous

#58ADB9 #587DB9 #6358B9

triadic

#587DB9 #B9587D #7DB958

tetradic

#587DB9 #B958AD #B99458 #58B963

square

#587DB9 #B958AD #B99458 #58B963

split-complementary

#587DB9 #B96358 #ADB958

monochromatic

#2C446A #3F6095 #587DB9 #839FCB #AEC0DD

Accessibility & contrast

On white

4.16

#587DB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#587DB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587DB9

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587DB9	#FFFFFF	#000000	##000000
##587DB9	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6581BC

Deuteranopia (green-blind)

#5A78B8

Tritanopia (blue-blind)

#278A93

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #587db9;
/* rgb */ color: rgb(88, 125, 185);
/* oklch */ color: oklch(58.8% 0.102 259.7);

Tailwind

colors: {
  custom: {
    50: '#8da2ce',
    500: '#587db9',
    950: '#000000',
  },
}

SCSS

$custom: #587db9;
$custom-light: #8da2ce;
$custom-dark: #000000;

JSON

{
  "hex": "#587db9",
  "rgb": {
    "r": 88,
    "g": 125,
    "b": 185
  },
  "hsl": {
    "h": 217.113,
    "s": 40.928,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58832,
    "c": 0.10172,
    "h": 259.7
  },
  "luminance": 0.20245
}

Semantic roles & 50–950 ramp

primary

#587DB9

secondary

#CBBBA2

accent

#A257D1

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0F13

muted

#7E7E82

Preview Lab

Preview with #587DB9

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

Preview Lab → · Contrast checker → · Palette generator →