#577A97#577A97

#577A97 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.5% C 0.060 H 244.1°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#577A97
RGB	rgb(87, 122, 151)
HSL	hsl(207, 27%, 47%)
HSV	hsv(207, 42%, 59%)
CMYK	cmyk(42.4%, 19.2%, 0%, 40.8%)
CIE-LAB	lab(49.71, -4.46, -19.55)
CIE-LCH	lch(49.71, 20.06, 257.14°)
OKLab	oklab(56.45% -0.0262 -0.0541)
OKLCH	oklch(56.45% 0.06 244.1)
XYZ	xyz(16.4741, 18.1787, 31.9129)
Luminance	0.1818 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577A97 #977457

analogous

#579794 #577A97 #575A97

triadic

#577A97 #97577A #7A9757

tetradic

#577A97 #945797 #977457 #5A9757

square

#577A97 #945797 #977457 #5A9757

split-complementary

#577A97 #97575A #979457

monochromatic

#2A3B49 #415B70 #577A97 #7998B2 #A0B6C8

Accessibility & contrast

On white

4.53

#577A97 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#577A97 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577A97

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577A97	#FFFFFF	#000000	##000000
##577A97	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7A98

Deuteranopia (green-blind)

#667396

Tritanopia (blue-blind)

#3F8184

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #577a97;
/* rgb */ color: rgb(87, 122, 151);
/* oklch */ color: oklch(56.5% 0.060 244.1);

Tailwind

colors: {
  custom: {
    50: '#89a0b5',
    500: '#577a97',
    950: '#000000',
  },
}

SCSS

$custom: #577a97;
$custom-light: #89a0b5;
$custom-dark: #000000;

JSON

{
  "hex": "#577a97",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 151
  },
  "hsl": {
    "h": 207.188,
    "s": 26.891,
    "l": 46.667
  },
  "oklch": {
    "l": 0.5645,
    "c": 0.06017,
    "h": 244.1
  },
  "luminance": 0.1818
}

Semantic roles & 50–950 ramp

primary

#577A97

secondary

#B6A394

accent

#8F65C3

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0E11

muted

#7D7E80

Preview Lab

Preview with #577A97

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

Preview Lab → · Contrast checker → · Palette generator →