#577AC1#577AC1

#577AC1 is a mid, moderate blue. Relative luminance 0.198; OKLCH L 58.6% C 0.117 H 263.3°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#577AC1
RGB	rgb(87, 122, 193)
HSL	hsl(220, 46%, 55%)
HSV	hsv(220, 55%, 76%)
CMYK	cmyk(54.9%, 36.8%, 0%, 24.3%)
CIE-LAB	lab(51.60, 8.52, -40.95)
CIE-LCH	lch(51.60, 41.82, 281.75°)
OKLab	oklab(58.55% -0.0135 -0.1158)
OKLCH	oklch(58.55% 0.117 263.3)
XYZ	xyz(20.5124, 19.7940, 53.1814)
Luminance	0.1980 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577AC1 #C19E57

analogous

#57AFC1 #577AC1 #6957C1

triadic

#577AC1 #C1577A #7AC157

tetradic

#577AC1 #C157AF #C19E57 #57C169

square

#577AC1 #C157AF #C19E57 #57C169

split-complementary

#577AC1 #C16957 #AFC157

monochromatic

#2A4273 #3B5CA0 #577AC1 #849DD1 #B0C1E2

Accessibility & contrast

On white

4.23

#577AC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#577AC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577AC1

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577AC1	#FFFFFF	#000000	##000000
##577AC1	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D80C4

Deuteranopia (green-blind)

#5077BF

Tritanopia (blue-blind)

#188A94

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #577ac1;
/* rgb */ color: rgb(87, 122, 193);
/* oklch */ color: oklch(58.6% 0.117 263.3);

Tailwind

colors: {
  custom: {
    50: '#8ea0d4',
    500: '#577ac1',
    950: '#000000',
  },
}

SCSS

$custom: #577ac1;
$custom-light: #8ea0d4;
$custom-dark: #000000;

JSON

{
  "hex": "#577ac1",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 193
  },
  "hsl": {
    "h": 220.189,
    "s": 46.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.58552,
    "c": 0.11661,
    "h": 263.3
  },
  "luminance": 0.19796
}

Semantic roles & 50–950 ramp

primary

#577AC1

secondary

#D0C1A4

accent

#AA52D6

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E14

muted

#7E7E83

Preview Lab

Preview with #577AC1

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

Preview Lab → · Contrast checker → · Palette generator →