#587CCE#587CCE

#587CCE is a mid, vivid blue. Relative luminance 0.209; OKLCH L 59.8% C 0.132 H 264.8°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#587CCE
RGB	rgb(88, 124, 206)
HSL	hsl(222, 55%, 58%)
HSV	hsv(222, 57%, 81%)
CMYK	cmyk(57.3%, 39.8%, 0%, 19.2%)
CIE-LAB	lab(52.89, 11.77, -46.32)
CIE-LCH	lch(52.89, 47.79, 284.25°)
OKLab	oklab(59.78% -0.0119 -0.1315)
OKLCH	oklch(59.78% 0.132 264.8)
XYZ	xyz(22.3689, 20.9444, 61.2445)
Luminance	0.2095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587CCE #CEAA58

analogous

#58B7CE #587CCE #6F58CE

triadic

#587CCE #CE587C #7CCE58

tetradic

#587CCE #CE58B7 #CEAA58 #58CE6F

square

#587CCE #CE58B7 #CEAA58 #58CE6F

split-complementary

#587CCE #CE6F58 #B7CE58

monochromatic

#274485 #355CB4 #587CCE #87A1DC #B7C6EA

Accessibility & contrast

On white

4.05

#587CCE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#587CCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587CCE

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587CCE	#FFFFFF	#000000	##000000
##587CCE	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5984D1

Deuteranopia (green-blind)

#4A79CC

Tritanopia (blue-blind)

#008E9B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #587cce;
/* rgb */ color: rgb(88, 124, 206);
/* oklch */ color: oklch(59.8% 0.132 264.8);

Tailwind

colors: {
  custom: {
    50: '#90a1dd',
    500: '#587cce',
    950: '#000000',
  },
}

SCSS

$custom: #587cce;
$custom-light: #90a1dd;
$custom-dark: #000000;

JSON

{
  "hex": "#587cce",
  "rgb": {
    "r": 88,
    "g": 124,
    "b": 206
  },
  "hsl": {
    "h": 221.695,
    "s": 54.63,
    "l": 57.647
  },
  "oklch": {
    "l": 0.59781,
    "c": 0.13203,
    "h": 264.8
  },
  "luminance": 0.20946
}

Semantic roles & 50–950 ramp

primary

#587CCE

secondary

#D9CAA9

accent

#B14ADE

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #587CCE

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

Preview Lab → · Contrast checker → · Palette generator →