#577BAB#577BAB

#577BAB is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.6% C 0.085 H 255.9°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#577BAB
RGB	rgb(87, 123, 171)
HSL	hsl(214, 33%, 51%)
HSV	hsv(214, 49%, 67%)
CMYK	cmyk(49.1%, 28.1%, 0%, 32.9%)
CIE-LAB	lab(50.84, 0.94, -29.47)
CIE-LCH	lch(50.84, 29.48, 271.82°)
OKLab	oklab(57.61% -0.0207 -0.0825)
OKLCH	oklch(57.61% 0.085 255.9)
XYZ	xyz(18.3616, 19.1312, 41.2453)
Luminance	0.1913 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577BAB #AB8757

analogous

#57A5AB #577BAB #5D57AB

triadic

#577BAB #AB577B #7BAB57

tetradic

#577BAB #AB57A5 #AB8757 #57AB5D

square

#577BAB #AB57A5 #AB8757 #57AB5D

split-complementary

#577BAB #AB5D57 #A5AB57

monochromatic

#2D415A #425E83 #577BAB #809BBF #A9BBD4

Accessibility & contrast

On white

4.35

#577BAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#577BAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577BAB

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577BAB	#FFFFFF	#000000	##000000
##577BAB	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687EAD

Deuteranopia (green-blind)

#5E75AA

Tritanopia (blue-blind)

#32868C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577bab;
/* rgb */ color: rgb(87, 123, 171);
/* oklch */ color: oklch(57.6% 0.085 255.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#577bab",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 171
  },
  "hsl": {
    "h": 214.286,
    "s": 33.333,
    "l": 50.588
  },
  "oklch": {
    "l": 0.57613,
    "c": 0.08507,
    "h": 255.9
  },
  "luminance": 0.19132
}

Semantic roles & 50–950 ramp

primary

#577BAB

secondary

#C2B29C

accent

#9C5EC9

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #577BAB

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

Preview Lab → · Contrast checker → · Palette generator →