#577ABC#577ABC

#577ABC is a mid, moderate blue. Relative luminance 0.196; OKLCH L 58.3% C 0.110 H 262.3°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#577ABC
RGB	rgb(87, 122, 188)
HSL	hsl(219, 43%, 54%)
HSV	hsv(219, 54%, 74%)
CMYK	cmyk(53.7%, 35.1%, 0%, 26.3%)
CIE-LAB	lab(51.35, 6.90, -38.48)
CIE-LCH	lch(51.35, 39.09, 280.17°)
OKLab	oklab(58.28% -0.0147 -0.1086)
OKLCH	oklch(58.28% 0.11 262.3)
XYZ	xyz(19.9640, 19.5747, 50.2935)
Luminance	0.1958 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577ABC #BC9957

analogous

#57ADBC #577ABC #6757BC

triadic

#577ABC #BC577A #7ABC57

tetradic

#577ABC #BC57AD #BC9957 #57BC67

square

#577ABC #BC57AD #BC9957 #57BC67

split-complementary

#577ABC #BC6757 #ADBC57

monochromatic

#2C426D #3D5D99 #577ABC #839DCD #AFBFDF

Accessibility & contrast

On white

4.27

#577ABC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#577ABC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577ABC

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577ABC	#FFFFFF	#000000	##000000
##577ABC	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#607FBF

Deuteranopia (green-blind)

#5476BB

Tritanopia (blue-blind)

#208892

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #577abc;
/* rgb */ color: rgb(87, 122, 188);
/* oklch */ color: oklch(58.3% 0.110 262.3);

Tailwind

colors: {
  custom: {
    50: '#8da0d0',
    500: '#577abc',
    950: '#000000',
  },
}

SCSS

$custom: #577abc;
$custom-light: #8da0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#577abc",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 188
  },
  "hsl": {
    "h": 219.208,
    "s": 42.979,
    "l": 53.922
  },
  "oklch": {
    "l": 0.58275,
    "c": 0.10962,
    "h": 262.3
  },
  "luminance": 0.19576
}

Semantic roles & 50–950 ramp

primary

#577ABC

secondary

#CDBEA2

accent

#A755D3

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #577ABC

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

Preview Lab → · Contrast checker → · Palette generator →