#577ABA#577ABA

#577ABA is a mid, moderate blue. Relative luminance 0.195; OKLCH L 58.2% C 0.107 H 261.8°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#577ABA
RGB	rgb(87, 122, 186)
HSL	hsl(219, 42%, 54%)
HSV	hsv(219, 53%, 73%)
CMYK	cmyk(53.2%, 34.4%, 0%, 27.1%)
CIE-LAB	lab(51.25, 6.26, -37.48)
CIE-LCH	lch(51.25, 38.00, 279.48°)
OKLab	oklab(58.17% -0.0153 -0.1057)
OKLCH	oklch(58.17% 0.107 261.8)
XYZ	xyz(19.7499, 19.4890, 49.1659)
Luminance	0.1949 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577ABA #BA9757

analogous

#57ABBA #577ABA #6557BA

triadic

#577ABA #BA577A #7ABA57

tetradic

#577ABA #BA57AB #BA9757 #57BA65

square

#577ABA #BA57AB #BA9757 #57BA65

split-complementary

#577ABA #BA6557 #ABBA57

monochromatic

#2C426B #3E5D96 #577ABA #829CCC #AEBFDE

Accessibility & contrast

On white

4.29

#577ABA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#577ABA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577ABA

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577ABA	#FFFFFF	#000000	##000000
##577ABA	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#617FBD

Deuteranopia (green-blind)

#5576B9

Tritanopia (blue-blind)

#238891

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #577aba;
/* rgb */ color: rgb(87, 122, 186);
/* oklch */ color: oklch(58.2% 0.107 261.8);

Tailwind

colors: {
  custom: {
    50: '#8da0cf',
    500: '#577aba',
    950: '#000000',
  },
}

SCSS

$custom: #577aba;
$custom-light: #8da0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#577aba",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 186
  },
  "hsl": {
    "h": 218.788,
    "s": 41.772,
    "l": 53.529
  },
  "oklch": {
    "l": 0.58166,
    "c": 0.10682,
    "h": 261.8
  },
  "luminance": 0.1949
}

Semantic roles & 50–950 ramp

primary

#577ABA

secondary

#CCBDA1

accent

#A656D2

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #577ABA

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

Preview Lab → · Contrast checker → · Palette generator →