#577CAB#577CAB

#577CAB is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.8% C 0.084 H 254.8°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#577CAB
RGB	rgb(87, 124, 171)
HSL	hsl(214, 33%, 51%)
HSV	hsv(214, 49%, 67%)
CMYK	cmyk(49.1%, 27.5%, 0%, 32.9%)
CIE-LAB	lab(51.13, 0.34, -29.02)
CIE-LCH	lch(51.13, 29.02, 270.68°)
OKLab	oklab(57.84% -0.022 -0.0812)
OKLCH	oklch(57.84% 0.084 254.8)
XYZ	xyz(18.4863, 19.3805, 41.2869)
Luminance	0.1938 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577CAB #AB8657

analogous

#57A6AB #577CAB #5C57AB

triadic

#577CAB #AB577C #7CAB57

tetradic

#577CAB #AB57A6 #AB8657 #57AB5C

square

#577CAB #AB57A6 #AB8657 #57AB5C

split-complementary

#577CAB #AB5C57 #A6AB57

monochromatic

#2D415A #425E83 #577CAB #809CBF #A9BCD4

Accessibility & contrast

On white

4.31

#577CAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#577CAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577CAB

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577CAB	#FFFFFF	#000000	##000000
##577CAB	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)

#6A7EAD

Deuteranopia (green-blind)

#5F76AA

Tritanopia (blue-blind)

#32868C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #577cab;
/* rgb */ color: rgb(87, 124, 171);
/* oklch */ color: oklch(57.8% 0.084 254.8);

Tailwind

colors: {
  custom: {
    50: '#8ba1c4',
    500: '#577cab',
    950: '#000000',
  },
}

SCSS

$custom: #577cab;
$custom-light: #8ba1c4;
$custom-dark: #000000;

JSON

{
  "hex": "#577cab",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 171
  },
  "hsl": {
    "h": 213.571,
    "s": 33.333,
    "l": 50.588
  },
  "oklch": {
    "l": 0.5784,
    "c": 0.08413,
    "h": 254.8
  },
  "luminance": 0.19382
}

Semantic roles & 50–950 ramp

primary

#577CAB

secondary

#C2B19C

accent

#9A5EC9

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #577CAB

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

Preview Lab → · Contrast checker → · Palette generator →