#577ABD#577ABD

#577ABD is a mid, moderate blue. Relative luminance 0.196; OKLCH L 58.3% C 0.111 H 262.5°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#577ABD
RGB	rgb(87, 122, 189)
HSL	hsl(219, 44%, 54%)
HSV	hsv(219, 54%, 74%)
CMYK	cmyk(54%, 35.4%, 0%, 25.9%)
CIE-LAB	lab(51.40, 7.22, -38.97)
CIE-LCH	lch(51.40, 39.64, 280.50°)
OKLab	oklab(58.33% -0.0145 -0.1101)
OKLCH	oklch(58.33% 0.111 262.5)
XYZ	xyz(20.0722, 19.6179, 50.8632)
Luminance	0.1962 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577ABD #BD9A57

analogous

#57ADBD #577ABD #6757BD

triadic

#577ABD #BD577A #7ABD57

tetradic

#577ABD #BD57AD #BD9A57 #57BD67

square

#577ABD #BD57AD #BD9A57 #57BD67

split-complementary

#577ABD #BD6757 #ADBD57

monochromatic

#2B426E #3D5D9A #577ABD #839DCE #AFC0E0

Accessibility & contrast

On white

4.26

#577ABD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#577ABD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577ABD

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577ABD	#FFFFFF	#000000	##000000
##577ABD	1.00	4.26	4.92	4.92
#FFFFFF	4.26	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)

#5F80C0

Deuteranopia (green-blind)

#5376BC

Tritanopia (blue-blind)

#1F8993

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #577abd;
/* rgb */ color: rgb(87, 122, 189);
/* oklch */ color: oklch(58.3% 0.111 262.5);

Tailwind

colors: {
  custom: {
    50: '#8da0d1',
    500: '#577abd',
    950: '#000000',
  },
}

SCSS

$custom: #577abd;
$custom-light: #8da0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#577abd",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 189
  },
  "hsl": {
    "h": 219.412,
    "s": 43.59,
    "l": 54.118
  },
  "oklch": {
    "l": 0.5833,
    "c": 0.11101,
    "h": 262.5
  },
  "luminance": 0.19619
}

Semantic roles & 50–950 ramp

primary

#577ABD

secondary

#CEBFA2

accent

#A854D3

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #577ABD

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

Preview Lab → · Contrast checker → · Palette generator →