#587DCF#587DCF

#587DCF is a mid, vivid blue. Relative luminance 0.212; OKLCH L 60.1% C 0.132 H 264.4°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#587DCF
RGB	rgb(88, 125, 207)
HSL	hsl(221, 55%, 58%)
HSV	hsv(221, 57%, 81%)
CMYK	cmyk(57.5%, 39.6%, 0%, 18.8%)
CIE-LAB	lab(53.22, 11.49, -46.37)
CIE-LCH	lch(53.22, 47.77, 283.92°)
OKLab	oklab(60.05% -0.0128 -0.1316)
OKLCH	oklch(60.05% 0.132 264.4)
XYZ	xyz(22.6168, 21.2451, 61.9283)
Luminance	0.2125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587DCF #CFAA58

analogous

#58B8CF #587DCF #6F58CF

triadic

#587DCF #CF587D #7DCF58

tetradic

#587DCF #CF58B8 #CFAA58 #58CF6F

square

#587DCF #CF58B8 #CFAA58 #58CF6F

split-complementary

#587DCF #CF6F58 #B8CF58

monochromatic

#274486 #345CB6 #587DCF #88A2DD #B7C7EA

Accessibility & contrast

On white

4.00

#587DCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#587DCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587DCF

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

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

#5A85D2

Deuteranopia (green-blind)

#4B7ACD

Tritanopia (blue-blind)

#008F9C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #587dcf;
/* rgb */ color: rgb(88, 125, 207);
/* oklch */ color: oklch(60.1% 0.132 264.4);

Tailwind

colors: {
  custom: {
    50: '#90a2de',
    500: '#587dcf',
    950: '#000000',
  },
}

SCSS

$custom: #587dcf;
$custom-light: #90a2de;
$custom-dark: #000000;

JSON

{
  "hex": "#587dcf",
  "rgb": {
    "r": 88,
    "g": 125,
    "b": 207
  },
  "hsl": {
    "h": 221.345,
    "s": 55.349,
    "l": 57.843
  },
  "oklch": {
    "l": 0.60052,
    "c": 0.13224,
    "h": 264.4
  },
  "luminance": 0.21247
}

Semantic roles & 50–950 ramp

primary

#587DCF

secondary

#D9CAAA

accent

#B049DF

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #587DCF

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

Preview Lab → · Contrast checker → · Palette generator →