#577FA7#577FA7

#577FA7 is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.3% C 0.076 H 249.3°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#577FA7
RGB	rgb(87, 127, 167)
HSL	hsl(210, 31%, 50%)
HSV	hsv(210, 48%, 65%)
CMYK	cmyk(47.9%, 24%, 0%, 34.5%)
CIE-LAB	lab(51.83, -2.64, -25.62)
CIE-LCH	lch(51.83, 25.75, 264.11°)
OKLab	oklab(58.33% -0.027 -0.0714)
OKLCH	oklch(58.33% 0.076 249.3)
XYZ	xyz(18.4925, 19.9937, 39.4364)
Luminance	0.1999 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577FA7 #A77F57

analogous

#57A7A7 #577FA7 #5757A7

triadic

#577FA7 #A7577F #7FA757

tetradic

#577FA7 #A757A7 #A77F57 #57A757

square

#577FA7 #A757A7 #A77F57 #57A757

split-complementary

#577FA7 #A75757 #A7A757

monochromatic

#2D4257 #42607F #577FA7 #7F9EBC #A7BCD1

Accessibility & contrast

On white

4.20

#577FA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#577FA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577FA7

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577FA7	#FFFFFF	#000000	##000000
##577FA7	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F80A9

Deuteranopia (green-blind)

#6578A6

Tritanopia (blue-blind)

#34888D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #577fa7;
/* rgb */ color: rgb(87, 127, 167);
/* oklch */ color: oklch(58.3% 0.076 249.3);

Tailwind

colors: {
  custom: {
    50: '#8ba4c1',
    500: '#577fa7',
    950: '#000000',
  },
}

SCSS

$custom: #577fa7;
$custom-light: #8ba4c1;
$custom-dark: #000000;

JSON

{
  "hex": "#577fa7",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 167
  },
  "hsl": {
    "h": 210,
    "s": 31.496,
    "l": 49.804
  },
  "oklch": {
    "l": 0.58333,
    "c": 0.07637,
    "h": 249.3
  },
  "luminance": 0.19995
}

Semantic roles & 50–950 ramp

primary

#577FA7

secondary

#BFAD9B

accent

#9460C8

background

#F8FAFB

surface

#F0F3F7

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #577FA7

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

Preview Lab → · Contrast checker → · Palette generator →