#587EBB#587EBB

#587EBB is a mid, moderate blue. Relative luminance 0.206; OKLCH L 59.2% C 0.103 H 259.5°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#587EBB
RGB	rgb(88, 126, 187)
HSL	hsl(217, 42%, 54%)
HSV	hsv(217, 53%, 73%)
CMYK	cmyk(52.9%, 32.6%, 0%, 26.7%)
CIE-LAB	lab(52.49, 4.40, -36.11)
CIE-LCH	lch(52.49, 36.38, 276.95°)
OKLab	oklab(59.16% -0.0188 -0.1017)
OKLCH	oklch(59.16% 0.103 259.5)
XYZ	xyz(20.4519, 20.5827, 49.8992)
Luminance	0.2058 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587EBB #BB9558

analogous

#58B0BB #587EBB #6458BB

triadic

#587EBB #BB587E #7EBB58

tetradic

#587EBB #BB58B0 #BB9558 #58BB64

square

#587EBB #BB58B0 #BB9558 #58BB64

split-complementary

#587EBB #BB6458 #B0BB58

monochromatic

#2C456C #3E6098 #587EBB #83A0CD #AFC1DE

Accessibility & contrast

On white

4.10

#587EBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#587EBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587EBB

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587EBB	#FFFFFF	#000000	##000000
##587EBB	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6682BE

Deuteranopia (green-blind)

#5A79BA

Tritanopia (blue-blind)

#248B94

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #587ebb;
/* rgb */ color: rgb(88, 126, 187);
/* oklch */ color: oklch(59.2% 0.103 259.5);

Tailwind

colors: {
  custom: {
    50: '#8da3cf',
    500: '#587ebb',
    950: '#000000',
  },
}

SCSS

$custom: #587ebb;
$custom-light: #8da3cf;
$custom-dark: #000000;

JSON

{
  "hex": "#587ebb",
  "rgb": {
    "r": 88,
    "g": 126,
    "b": 187
  },
  "hsl": {
    "h": 216.97,
    "s": 42.128,
    "l": 53.922
  },
  "oklch": {
    "l": 0.59159,
    "c": 0.10341,
    "h": 259.5
  },
  "luminance": 0.20584
}

Semantic roles & 50–950 ramp

primary

#587EBB

secondary

#CDBCA2

accent

#A256D2

background

#F9FAFC

surface

#F1F3F9

border

#CBCDD2

text

#0D0F14

muted

#7E7F82

Preview Lab

Preview with #587EBB

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

Preview Lab → · Contrast checker → · Palette generator →