#577EB0#577EB0

#577EB0 is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 58.5% C 0.089 H 255.1°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#577EB0
RGB	rgb(87, 126, 176)
HSL	hsl(214, 36%, 52%)
HSV	hsv(214, 51%, 69%)
CMYK	cmyk(50.6%, 28.4%, 0%, 31%)
CIE-LAB	lab(51.93, 0.71, -30.67)
CIE-LCH	lch(51.93, 30.67, 271.32°)
OKLab	oklab(58.54% -0.0229 -0.0859)
OKLCH	oklch(58.54% 0.089 255.1)
XYZ	xyz(19.2251, 20.0811, 43.9288)
Luminance	0.2008 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577EB0 #B08957

analogous

#57ABB0 #577EB0 #5D57B0

triadic

#577EB0 #B0577E #7EB057

tetradic

#577EB0 #B057AB #B08957 #57B05D

square

#577EB0 #B057AB #B08957 #57B05D

split-complementary

#577EB0 #B05D57 #ABB057

monochromatic

#2D4360 #416089 #577EB0 #819EC4 #AABED7

Accessibility & contrast

On white

4.19

#577EB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#577EB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577EB0

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577EB0	#FFFFFF	#000000	##000000
##577EB0	1.00	4.19	5.02	5.02
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A81B2

Deuteranopia (green-blind)

#5F78AF

Tritanopia (blue-blind)

#2D898F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #577eb0;
/* rgb */ color: rgb(87, 126, 176);
/* oklch */ color: oklch(58.5% 0.089 255.1);

Tailwind

colors: {
  custom: {
    50: '#8ca3c7',
    500: '#577eb0',
    950: '#000000',
  },
}

SCSS

$custom: #577eb0;
$custom-light: #8ca3c7;
$custom-dark: #000000;

JSON

{
  "hex": "#577eb0",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 176
  },
  "hsl": {
    "h": 213.708,
    "s": 36.032,
    "l": 51.569
  },
  "oklch": {
    "l": 0.58539,
    "c": 0.08894,
    "h": 255.1
  },
  "luminance": 0.20083
}

Semantic roles & 50–950 ramp

primary

#577EB0

secondary

#C5B49E

accent

#9B5CCC

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #577EB0

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

Preview Lab → · Contrast checker → · Palette generator →