#577BAA#577BAA

#577BAA is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.6% C 0.084 H 255.4°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#577BAA
RGB	rgb(87, 123, 170)
HSL	hsl(214, 33%, 50%)
HSV	hsv(214, 49%, 67%)
CMYK	cmyk(48.8%, 27.6%, 0%, 33.3%)
CIE-LAB	lab(50.80, 0.63, -28.96)
CIE-LCH	lch(50.80, 28.96, 271.24°)
OKLab	oklab(57.56% -0.0211 -0.081)
OKLCH	oklch(57.56% 0.084 255.4)
XYZ	xyz(18.2667, 19.0932, 40.7452)
Luminance	0.1909 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577BAA #AA8657

analogous

#57A4AA #577BAA #5C57AA

triadic

#577BAA #AA577B #7BAA57

tetradic

#577BAA #AA57A4 #AA8657 #57AA5C

square

#577BAA #AA57A4 #AA8657 #57AA5C

split-complementary

#577BAA #AA5C57 #A4AA57

monochromatic

#2D4059 #425E82 #577BAA #809BBF #A8BBD3

Accessibility & contrast

On white

4.36

#577BAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#577BAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577BAA

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577BAA	#FFFFFF	#000000	##000000
##577BAA	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697DAC

Deuteranopia (green-blind)

#5F75A9

Tritanopia (blue-blind)

#33858B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577baa;
/* rgb */ color: rgb(87, 123, 170);
/* oklch */ color: oklch(57.6% 0.084 255.4);

Tailwind

colors: {
  custom: {
    50: '#8ba1c3',
    500: '#577baa',
    950: '#000000',
  },
}

SCSS

$custom: #577baa;
$custom-light: #8ba1c3;
$custom-dark: #000000;

JSON

{
  "hex": "#577baa",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 170
  },
  "hsl": {
    "h": 213.976,
    "s": 32.806,
    "l": 50.392
  },
  "oklch": {
    "l": 0.57564,
    "c": 0.08372,
    "h": 255.4
  },
  "luminance": 0.19094
}

Semantic roles & 50–950 ramp

primary

#577BAA

secondary

#C1B19C

accent

#9B5FC9

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #577BAA

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

Preview Lab → · Contrast checker → · Palette generator →