#577DC2#577DC2

#577DC2 is a mid, moderate blue. Relative luminance 0.206; OKLCH L 59.3% C 0.115 H 261.6°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#577DC2
RGB	rgb(87, 125, 194)
HSL	hsl(219, 47%, 55%)
HSV	hsv(219, 55%, 76%)
CMYK	cmyk(55.2%, 35.6%, 0%, 23.9%)
CIE-LAB	lab(52.49, 7.03, -40.11)
CIE-LCH	lch(52.49, 40.73, 279.94°)
OKLab	oklab(59.26% -0.0167 -0.1134)
OKLCH	oklch(59.26% 0.115 261.6)
XYZ	xyz(20.9984, 20.5869, 53.8956)
Luminance	0.2059 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577DC2 #C29C57

analogous

#57B2C2 #577DC2 #6757C2

triadic

#577DC2 #C2577D #7DC257

tetradic

#577DC2 #C257B2 #C29C57 #57C267

square

#577DC2 #C257B2 #C29C57 #57C267

split-complementary

#577DC2 #C26757 #B2C257

monochromatic

#2A4574 #3B5FA1 #577DC2 #84A0D2 #B1C2E3

Accessibility & contrast

On white

4.10

#577DC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#577DC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577DC2

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577DC2	#FFFFFF	#000000	##000000
##577DC2	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6183C5

Deuteranopia (green-blind)

#5479C1

Tritanopia (blue-blind)

#158C96

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #577dc2;
/* rgb */ color: rgb(87, 125, 194);
/* oklch */ color: oklch(59.3% 0.115 261.6);

Tailwind

colors: {
  custom: {
    50: '#8ea2d5',
    500: '#577dc2',
    950: '#000000',
  },
}

SCSS

$custom: #577dc2;
$custom-light: #8ea2d5;
$custom-dark: #000000;

JSON

{
  "hex": "#577dc2",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 194
  },
  "hsl": {
    "h": 218.692,
    "s": 46.725,
    "l": 55.098
  },
  "oklch": {
    "l": 0.59259,
    "c": 0.1146,
    "h": 261.6
  },
  "luminance": 0.20589
}

Semantic roles & 50–950 ramp

primary

#577DC2

secondary

#D1C1A4

accent

#A751D6

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0F14

muted

#7E7E83

Preview Lab

Preview with #577DC2

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

Preview Lab → · Contrast checker → · Palette generator →