#577E9D#577E9D

#577E9D is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.6% C 0.065 H 243.2°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#577E9D
RGB	rgb(87, 126, 157)
HSL	hsl(207, 29%, 48%)
HSV	hsv(207, 45%, 62%)
CMYK	cmyk(44.6%, 19.7%, 0%, 38.4%)
CIE-LAB	lab(51.13, -5.04, -20.89)
CIE-LCH	lch(51.13, 21.48, 256.43°)
OKLab	oklab(57.65% -0.0293 -0.0579)
OKLCH	oklch(57.65% 0.065 243.2)
XYZ	xyz(17.4751, 19.3811, 34.7118)
Luminance	0.1938 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577E9D #9D7657

analogous

#579D99 #577E9D #575B9D

triadic

#577E9D #9D577E #7E9D57

tetradic

#577E9D #99579D #9D7657 #5B9D57

square

#577E9D #99579D #9D7657 #5B9D57

split-complementary

#577E9D #9D575B #9D9957

monochromatic

#2B3F4E #415E76 #577E9D #7B9CB6 #A3BACC

Accessibility & contrast

On white

4.31

#577E9D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#577E9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577E9D

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577E9D	#FFFFFF	#000000	##000000
##577E9D	1.00	4.31	4.88	4.88
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#717E9E

Deuteranopia (green-blind)

#68779C

Tritanopia (blue-blind)

#3B8688

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #577e9d;
/* rgb */ color: rgb(87, 126, 157);
/* oklch */ color: oklch(57.6% 0.065 243.2);

Tailwind

colors: {
  custom: {
    50: '#8aa3ba',
    500: '#577e9d',
    950: '#000000',
  },
}

SCSS

$custom: #577e9d;
$custom-light: #8aa3ba;
$custom-dark: #000000;

JSON

{
  "hex": "#577e9d",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 157
  },
  "hsl": {
    "h": 206.571,
    "s": 28.689,
    "l": 47.843
  },
  "oklch": {
    "l": 0.57647,
    "c": 0.0649,
    "h": 243.2
  },
  "luminance": 0.19382
}

Semantic roles & 50–950 ramp

primary

#577E9D

secondary

#B9A696

accent

#8E63C5

background

#F8FAFB

surface

#F0F3F6

border

#CBCDD0

text

#0C0F11

muted

#7D7F80

Preview Lab

Preview with #577E9D

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

Preview Lab → · Contrast checker → · Palette generator →