#587FBA#587FBA

#587FBA is a mid, moderate blue. Relative luminance 0.208; OKLCH L 59.3% C 0.101 H 258.4°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#587FBA
RGB	rgb(88, 127, 186)
HSL	hsl(216, 42%, 54%)
HSV	hsv(216, 53%, 73%)
CMYK	cmyk(52.7%, 31.7%, 0%, 27.1%)
CIE-LAB	lab(52.73, 3.49, -35.17)
CIE-LCH	lch(52.73, 35.34, 275.67°)
OKLab	oklab(59.33% -0.0202 -0.0989)
OKLCH	oklch(59.33% 0.101 258.4)
XYZ	xyz(20.4738, 20.7971, 49.3802)
Luminance	0.2080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587FBA #BA9358

analogous

#58B0BA #587FBA #6258BA

triadic

#587FBA #BA587F #7FBA58

tetradic

#587FBA #BA58B0 #BA9358 #58BA62

square

#587FBA #BA58B0 #BA9358 #58BA62

split-complementary

#587FBA #BA6258 #B0BA58

monochromatic

#2C456B #3E6197 #587FBA #83A0CC #AFC1DE

Accessibility & contrast

On white

4.07

#587FBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#587FBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587FBA

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587FBA	#FFFFFF	#000000	##000000
##587FBA	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6883BD

Deuteranopia (green-blind)

#5C7AB9

Tritanopia (blue-blind)

#258C94

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #587fba;
/* rgb */ color: rgb(88, 127, 186);
/* oklch */ color: oklch(59.3% 0.101 258.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#587fba",
  "rgb": {
    "r": 88,
    "g": 127,
    "b": 186
  },
  "hsl": {
    "h": 216.122,
    "s": 41.525,
    "l": 53.725
  },
  "oklch": {
    "l": 0.59328,
    "c": 0.10099,
    "h": 258.4
  },
  "luminance": 0.20799
}

Semantic roles & 50–950 ramp

primary

#587FBA

secondary

#CCBBA2

accent

#A056D1

background

#F9FAFC

surface

#F1F3F9

border

#CBCDD2

text

#0D0F14

muted

#7E7F82

Preview Lab

Preview with #587FBA

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

Preview Lab → · Contrast checker → · Palette generator →