#577BAC#577BAC

#577BAC is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.7% C 0.086 H 256.3°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#577BAC
RGB	rgb(87, 123, 172)
HSL	hsl(215, 34%, 51%)
HSV	hsv(215, 49%, 67%)
CMYK	cmyk(49.4%, 28.5%, 0%, 32.5%)
CIE-LAB	lab(50.88, 1.25, -29.98)
CIE-LCH	lch(50.88, 30.01, 272.38°)
OKLab	oklab(57.66% -0.0204 -0.084)
OKLCH	oklch(57.66% 0.086 256.3)
XYZ	xyz(18.4573, 19.1694, 41.7492)
Luminance	0.1917 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577BAC #AC8857

analogous

#57A6AC #577BAC #5D57AC

triadic

#577BAC #AC577B #7BAC57

tetradic

#577BAC #AC57A6 #AC8857 #57AC5D

square

#577BAC #AC57A6 #AC8857 #57AC5D

split-complementary

#577BAC #AC5D57 #A6AC57

monochromatic

#2D415B #415E84 #577BAC #809BC0 #A9BBD4

Accessibility & contrast

On white

4.34

#577BAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#577BAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577BAC

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577BAC	#FFFFFF	#000000	##000000
##577BAC	1.00	4.34	4.83	4.83
#FFFFFF	4.34	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)

#687EAE

Deuteranopia (green-blind)

#5E75AB

Tritanopia (blue-blind)

#31868C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #577bac;
/* rgb */ color: rgb(87, 123, 172);
/* oklch */ color: oklch(57.7% 0.086 256.3);

Tailwind

colors: {
  custom: {
    50: '#8ba1c5',
    500: '#577bac',
    950: '#000000',
  },
}

SCSS

$custom: #577bac;
$custom-light: #8ba1c5;
$custom-dark: #000000;

JSON

{
  "hex": "#577bac",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 172
  },
  "hsl": {
    "h": 214.588,
    "s": 33.865,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57663,
    "c": 0.08642,
    "h": 256.3
  },
  "luminance": 0.19171
}

Semantic roles & 50–950 ramp

primary

#577BAC

secondary

#C2B29D

accent

#9C5ECA

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E13

muted

#7D7E82

Preview Lab

Preview with #577BAC

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

Preview Lab → · Contrast checker → · Palette generator →