#577DA7#577DA7

#577DA7 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.9% C 0.078 H 251.7°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#577DA7
RGB	rgb(87, 125, 167)
HSL	hsl(212, 31%, 50%)
HSV	hsv(212, 48%, 65%)
CMYK	cmyk(47.9%, 25.1%, 0%, 34.5%)
CIE-LAB	lab(51.25, -1.47, -26.52)
CIE-LCH	lch(51.25, 26.56, 266.83°)
OKLab	oklab(57.88% -0.0245 -0.074)
OKLCH	oklch(57.88% 0.078 251.7)
XYZ	xyz(18.2368, 19.4822, 39.3512)
Luminance	0.1948 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577DA7 #A78157

analogous

#57A5A7 #577DA7 #5957A7

triadic

#577DA7 #A7577D #7DA757

tetradic

#577DA7 #A757A5 #A78157 #57A759

square

#577DA7 #A757A5 #A78157 #57A759

split-complementary

#577DA7 #A75957 #A5A757

monochromatic

#2D4157 #425F7F #577DA7 #7F9CBC #A7BBD1

Accessibility & contrast

On white

4.29

#577DA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#577DA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577DA7

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577DA7	#FFFFFF	#000000	##000000
##577DA7	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7FA9

Deuteranopia (green-blind)

#6277A6

Tritanopia (blue-blind)

#34878B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #577da7;
/* rgb */ color: rgb(87, 125, 167);
/* oklch */ color: oklch(57.9% 0.078 251.7);

Tailwind

colors: {
  custom: {
    50: '#8ba2c1',
    500: '#577da7',
    950: '#000000',
  },
}

SCSS

$custom: #577da7;
$custom-light: #8ba2c1;
$custom-dark: #000000;

JSON

{
  "hex": "#577da7",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 167
  },
  "hsl": {
    "h": 211.5,
    "s": 31.496,
    "l": 49.804
  },
  "oklch": {
    "l": 0.57875,
    "c": 0.07797,
    "h": 251.7
  },
  "luminance": 0.19483
}

Semantic roles & 50–950 ramp

primary

#577DA7

secondary

#BFAE9B

accent

#9660C8

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #577DA7

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

Preview Lab → · Contrast checker → · Palette generator →