#587DB2#587DB2

#587DB2 is a mid, moderate blue. Relative luminance 0.200; OKLCH L 58.5% C 0.092 H 257.4°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#587DB2
RGB	rgb(88, 125, 178)
HSL	hsl(215, 37%, 52%)
HSV	hsv(215, 51%, 70%)
CMYK	cmyk(50.6%, 29.8%, 0%, 30.2%)
CIE-LAB	lab(51.79, 2.17, -32.04)
CIE-LCH	lch(51.79, 32.11, 273.87°)
OKLab	oklab(58.47% -0.0201 -0.0899)
OKLCH	oklch(58.47% 0.092 257.4)
XYZ	xyz(19.3913, 19.9549, 44.9407)
Luminance	0.1996 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587DB2 #B28D58

analogous

#58AAB2 #587DB2 #6058B2

triadic

#587DB2 #B2587D #7DB258

tetradic

#587DB2 #B258AA #B28D58 #58B260

square

#587DB2 #B258AA #B28D58 #58B260

split-complementary

#587DB2 #B26058 #AAB258

monochromatic

#2D4362 #41608C #587DB2 #829EC5 #ACBED9

Accessibility & contrast

On white

4.21

#587DB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#587DB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587DB2

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587DB2	#FFFFFF	#000000	##000000
##587DB2	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6880B4

Deuteranopia (green-blind)

#5E78B1

Tritanopia (blue-blind)

#2E8990

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #587db2;
/* rgb */ color: rgb(88, 125, 178);
/* oklch */ color: oklch(58.5% 0.092 257.4);

Tailwind

colors: {
  custom: {
    50: '#8ca2c9',
    500: '#587db2',
    950: '#000000',
  },
}

SCSS

$custom: #587db2;
$custom-light: #8ca2c9;
$custom-dark: #000000;

JSON

{
  "hex": "#587db2",
  "rgb": {
    "r": 88,
    "g": 125,
    "b": 178
  },
  "hsl": {
    "h": 215.333,
    "s": 36.885,
    "l": 52.157
  },
  "oklch": {
    "l": 0.58472,
    "c": 0.09212,
    "h": 257.4
  },
  "luminance": 0.19956
}

Semantic roles & 50–950 ramp

primary

#587DB2

secondary

#C7B69F

accent

#9E5BCD

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F13

muted

#7D7E82

Preview Lab

Preview with #587DB2

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

Preview Lab → · Contrast checker → · Palette generator →