#587EB3#587EB3

#587EB3 is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.7% C 0.092 H 256.8°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#587EB3
RGB	rgb(88, 126, 179)
HSL	hsl(215, 37%, 52%)
HSV	hsv(215, 51%, 70%)
CMYK	cmyk(50.8%, 29.6%, 0%, 29.8%)
CIE-LAB	lab(52.12, 1.88, -32.09)
CIE-LCH	lch(52.12, 32.15, 273.36°)
OKLab	oklab(58.75% -0.0211 -0.0901)
OKLCH	oklch(58.75% 0.092 256.8)
XYZ	xyz(19.6193, 20.2497, 45.5138)
Luminance	0.2025 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587EB3 #B38D58

analogous

#58ACB3 #587EB3 #5F58B3

triadic

#587EB3 #B3587E #7EB358

tetradic

#587EB3 #B358AC #B38D58 #58B35F

square

#587EB3 #B358AC #B38D58 #58B35F

split-complementary

#587EB3 #B35F58 #ACB358

monochromatic

#2D4463 #40618D #587EB3 #829EC6 #ACBFD9

Accessibility & contrast

On white

4.16

#587EB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#587EB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587EB3

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587EB3	#FFFFFF	#000000	##000000
##587EB3	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6981B5

Deuteranopia (green-blind)

#5E78B2

Tritanopia (blue-blind)

#2D8A91

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #587eb3;
/* rgb */ color: rgb(88, 126, 179);
/* oklch */ color: oklch(58.7% 0.092 256.8);

Tailwind

colors: {
  custom: {
    50: '#8ca3ca',
    500: '#587eb3',
    950: '#000000',
  },
}

SCSS

$custom: #587eb3;
$custom-light: #8ca3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#587eb3",
  "rgb": {
    "r": 88,
    "g": 126,
    "b": 179
  },
  "hsl": {
    "h": 214.945,
    "s": 37.449,
    "l": 52.353
  },
  "oklch": {
    "l": 0.58746,
    "c": 0.09249,
    "h": 256.8
  },
  "luminance": 0.20251
}

Semantic roles & 50–950 ramp

primary

#587EB3

secondary

#C7B7A0

accent

#9D5ACD

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #587EB3

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

Preview Lab → · Contrast checker → · Palette generator →