#587CBF#587CBF

#587CBF is a mid, moderate blue. Relative luminance 0.203; OKLCH L 58.9% C 0.111 H 262.0°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#587CBF
RGB	rgb(88, 124, 191)
HSL	hsl(219, 45%, 55%)
HSV	hsv(219, 54%, 75%)
CMYK	cmyk(53.9%, 35.1%, 0%, 25.1%)
CIE-LAB	lab(52.12, 6.88, -38.99)
CIE-LCH	lch(52.12, 39.59, 280.01°)
OKLab	oklab(58.93% -0.0154 -0.1101)
OKLCH	oklch(58.93% 0.111 262)
XYZ	xyz(20.6329, 20.2500, 52.1015)
Luminance	0.2025 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587CBF #BF9B58

analogous

#58B0BF #587CBF #6758BF

triadic

#587CBF #BF587C #7CBF58

tetradic

#587CBF #BF58B0 #BF9B58 #58BF67

square

#587CBF #BF58B0 #BF9B58 #58BF67

split-complementary

#587CBF #BF6758 #B0BF58

monochromatic

#2B4471 #3C5E9D #587CBF #849FD0 #B0C1E1

Accessibility & contrast

On white

4.16

#587CBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#587CBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587CBF

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587CBF	#FFFFFF	#000000	##000000
##587CBF	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)

#6181C2

Deuteranopia (green-blind)

#5578BE

Tritanopia (blue-blind)

#1F8B94

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #587cbf;
/* rgb */ color: rgb(88, 124, 191);
/* oklch */ color: oklch(58.9% 0.111 262.0);

Tailwind

colors: {
  custom: {
    50: '#8ea1d2',
    500: '#587cbf',
    950: '#000000',
  },
}

SCSS

$custom: #587cbf;
$custom-light: #8ea1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#587cbf",
  "rgb": {
    "r": 88,
    "g": 124,
    "b": 191
  },
  "hsl": {
    "h": 219.029,
    "s": 44.589,
    "l": 54.706
  },
  "oklch": {
    "l": 0.58933,
    "c": 0.11114,
    "h": 262
  },
  "luminance": 0.20252
}

Semantic roles & 50–950 ramp

primary

#587CBF

secondary

#CFC0A4

accent

#A754D4

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #587CBF

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

Preview Lab → · Contrast checker → · Palette generator →