#587FB7#587FB7

#587FB7 is a mid, moderate blue. Relative luminance 0.207; OKLCH L 59.2% C 0.097 H 257.4°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#587FB7
RGB	rgb(88, 127, 183)
HSL	hsl(215, 40%, 53%)
HSV	hsv(215, 52%, 72%)
CMYK	cmyk(51.9%, 30.6%, 0%, 28.2%)
CIE-LAB	lab(52.59, 2.54, -33.66)
CIE-LCH	lch(52.59, 33.76, 274.32°)
OKLab	oklab(59.17% -0.0211 -0.0946)
OKLCH	oklch(59.17% 0.097 257.4)
XYZ	xyz(20.1582, 20.6709, 47.7182)
Luminance	0.2067 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587FB7 #B79058

analogous

#58AFB7 #587FB7 #6058B7

triadic

#587FB7 #B7587F #7FB758

tetradic

#587FB7 #B758AF #B79058 #58B760

square

#587FB7 #B758AF #B79058 #58B760

split-complementary

#587FB7 #B76058 #AFB758

monochromatic

#2D4568 #3F6193 #587FB7 #83A0C9 #AEC1DC

Accessibility & contrast

On white

4.09

#587FB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#587FB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587FB7

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587FB7	#FFFFFF	#000000	##000000
##587FB7	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6982B9

Deuteranopia (green-blind)

#5D79B6

Tritanopia (blue-blind)

#288B93

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #587fb7;
/* rgb */ color: rgb(88, 127, 183);
/* oklch */ color: oklch(59.2% 0.097 257.4);

Tailwind

colors: {
  custom: {
    50: '#8da3cd',
    500: '#587fb7',
    950: '#000000',
  },
}

SCSS

$custom: #587fb7;
$custom-light: #8da3cd;
$custom-dark: #000000;

JSON

{
  "hex": "#587fb7",
  "rgb": {
    "r": 88,
    "g": 127,
    "b": 183
  },
  "hsl": {
    "h": 215.368,
    "s": 39.749,
    "l": 53.137
  },
  "oklch": {
    "l": 0.59173,
    "c": 0.09691,
    "h": 257.4
  },
  "luminance": 0.20672
}

Semantic roles & 50–950 ramp

primary

#587FB7

secondary

#CAB9A1

accent

#9F58D0

background

#F8FAFC

surface

#F0F3F9

border

#CBCDD2

text

#0D0F13

muted

#7D7F82

Preview Lab

Preview with #587FB7

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

Preview Lab → · Contrast checker → · Palette generator →