#587EB7#587EB7

#587EB7 is a mid, moderate blue. Relative luminance 0.204; OKLCH L 59.0% C 0.098 H 258.3°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#587EB7
RGB	rgb(88, 126, 183)
HSL	hsl(216, 40%, 53%)
HSV	hsv(216, 52%, 72%)
CMYK	cmyk(51.9%, 31.1%, 0%, 28.2%)
CIE-LAB	lab(52.30, 3.14, -34.11)
CIE-LCH	lch(52.30, 34.25, 275.26°)
OKLab	oklab(58.95% -0.0199 -0.0959)
OKLCH	oklch(58.95% 0.098 258.3)
XYZ	xyz(20.0297, 20.4138, 47.6754)
Luminance	0.2041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587EB7 #B79158

analogous

#58ADB7 #587EB7 #6158B7

triadic

#587EB7 #B7587E #7EB758

tetradic

#587EB7 #B758AD #B79158 #58B761

square

#587EB7 #B758AD #B79158 #58B761

split-complementary

#587EB7 #B76158 #ADB758

monochromatic

#2D4468 #3F6193 #587EB7 #839FC9 #AEC0DC

Accessibility & contrast

On white

4.13

#587EB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#587EB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587EB7

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587EB7	#FFFFFF	#000000	##000000
##587EB7	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6882B9

Deuteranopia (green-blind)

#5C79B6

Tritanopia (blue-blind)

#298B92

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #587eb7;
/* rgb */ color: rgb(88, 126, 183);
/* oklch */ color: oklch(59.0% 0.098 258.3);

Tailwind

colors: {
  custom: {
    50: '#8da3cd',
    500: '#587eb7',
    950: '#000000',
  },
}

SCSS

$custom: #587eb7;
$custom-light: #8da3cd;
$custom-dark: #000000;

JSON

{
  "hex": "#587eb7",
  "rgb": {
    "r": 88,
    "g": 126,
    "b": 183
  },
  "hsl": {
    "h": 216,
    "s": 39.749,
    "l": 53.137
  },
  "oklch": {
    "l": 0.5895,
    "c": 0.09793,
    "h": 258.3
  },
  "luminance": 0.20415
}

Semantic roles & 50–950 ramp

primary

#587EB7

secondary

#CAB9A1

accent

#A058D0

background

#F8FAFC

surface

#F0F3F9

border

#CBCDD2

text

#0D0F13

muted

#7D7F82

Preview Lab

Preview with #587EB7

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

Preview Lab → · Contrast checker → · Palette generator →