#577DA6#577DA6

#577DA6 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.8% C 0.077 H 251.1°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#577DA6
RGB	rgb(87, 125, 166)
HSL	hsl(211, 31%, 50%)
HSV	hsv(211, 48%, 65%)
CMYK	cmyk(47.6%, 24.7%, 0%, 34.9%)
CIE-LAB	lab(51.20, -1.77, -26.00)
CIE-LCH	lch(51.20, 26.06, 266.10°)
OKLab	oklab(57.83% -0.0249 -0.0725)
OKLCH	oklch(57.83% 0.077 251.1)
XYZ	xyz(18.1447, 19.4454, 38.8662)
Luminance	0.1945 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577DA6 #A68057

analogous

#57A5A6 #577DA6 #5957A6

triadic

#577DA6 #A6577D #7DA657

tetradic

#577DA6 #A657A5 #A68057 #57A659

square

#577DA6 #A657A5 #A68057 #57A659

split-complementary

#577DA6 #A65957 #A5A657

monochromatic

#2D4156 #425F7E #577DA6 #7F9CBC #A7BBD1

Accessibility & contrast

On white

4.30

#577DA6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#577DA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577DA6

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577DA6	#FFFFFF	#000000	##000000
##577DA6	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7EA8

Deuteranopia (green-blind)

#6376A5

Tritanopia (blue-blind)

#35868B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #577da6;
/* rgb */ color: rgb(87, 125, 166);
/* oklch */ color: oklch(57.8% 0.077 251.1);

Tailwind

colors: {
  custom: {
    50: '#8aa2c0',
    500: '#577da6',
    950: '#000000',
  },
}

SCSS

$custom: #577da6;
$custom-light: #8aa2c0;
$custom-dark: #000000;

JSON

{
  "hex": "#577da6",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 166
  },
  "hsl": {
    "h": 211.139,
    "s": 31.225,
    "l": 49.608
  },
  "oklch": {
    "l": 0.57827,
    "c": 0.07668,
    "h": 251.1
  },
  "luminance": 0.19447
}

Semantic roles & 50–950 ramp

primary

#577DA6

secondary

#BEAD9A

accent

#9660C7

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #577DA6

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

Preview Lab → · Contrast checker → · Palette generator →