#587ECA#587ECA

#587ECA is a mid, vivid blue. Relative luminance 0.213; OKLCH L 60.0% C 0.124 H 263.1°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#587ECA
RGB	rgb(88, 126, 202)
HSL	hsl(220, 52%, 57%)
HSV	hsv(220, 56%, 79%)
CMYK	cmyk(56.4%, 37.6%, 0%, 20.8%)
CIE-LAB	lab(53.23, 9.24, -43.51)
CIE-LCH	lch(53.23, 44.48, 282.00°)
OKLab	oklab(59.98% -0.015 -0.1232)
OKLCH	oklch(59.98% 0.124 263.1)
XYZ	xyz(22.1424, 21.2589, 58.8022)
Luminance	0.2126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587ECA #CAA458

analogous

#58B7CA #587ECA #6B58CA

triadic

#587ECA #CA587E #7ECA58

tetradic

#587ECA #CA58B7 #CAA458 #58CA6B

square

#587ECA #CA58B7 #CAA458 #58CA6B

split-complementary

#587ECA #CA6B58 #B7CA58

monochromatic

#28457F #375FAE #587ECA #86A2D9 #B5C6E7

Accessibility & contrast

On white

4.00

#587ECA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#587ECA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587ECA

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587ECA	#FFFFFF	#000000	##000000
##587ECA	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F85CD

Deuteranopia (green-blind)

#507AC8

Tritanopia (blue-blind)

#038F9A

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #587eca;
/* rgb */ color: rgb(88, 126, 202);
/* oklch */ color: oklch(60.0% 0.124 263.1);

Tailwind

colors: {
  custom: {
    50: '#8fa3da',
    500: '#587eca',
    950: '#000000',
  },
}

SCSS

$custom: #587eca;
$custom-light: #8fa3da;
$custom-dark: #000000;

JSON

{
  "hex": "#587eca",
  "rgb": {
    "r": 88,
    "g": 126,
    "b": 202
  },
  "hsl": {
    "h": 220,
    "s": 51.818,
    "l": 56.863
  },
  "oklch": {
    "l": 0.59978,
    "c": 0.12415,
    "h": 263.1
  },
  "luminance": 0.21261
}

Semantic roles & 50–950 ramp

primary

#587ECA

secondary

#D6C7A8

accent

#AC4DDB

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #587ECA

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

Preview Lab → · Contrast checker → · Palette generator →