#577DC6#577DC6

#577DC6 is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.5% C 0.120 H 262.5°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#577DC6
RGB	rgb(87, 125, 198)
HSL	hsl(219, 49%, 56%)
HSV	hsv(219, 56%, 78%)
CMYK	cmyk(56.1%, 36.9%, 0%, 22.4%)
CIE-LAB	lab(52.70, 8.33, -42.08)
CIE-LCH	lch(52.70, 42.90, 281.20°)
OKLab	oklab(59.48% -0.0157 -0.1191)
OKLCH	oklch(59.48% 0.12 262.5)
XYZ	xyz(21.4537, 20.7690, 56.2934)
Luminance	0.2077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577DC6 #C6A057

analogous

#57B4C6 #577DC6 #6857C6

triadic

#577DC6 #C6577D #7DC657

tetradic

#577DC6 #C657B4 #C6A057 #57C668

square

#577DC6 #C657B4 #C6A057 #57C668

split-complementary

#577DC6 #C66857 #B4C657

monochromatic

#294579 #395EA7 #577DC6 #85A0D6 #B2C4E5

Accessibility & contrast

On white

4.07

#577DC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#577DC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577DC6

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577DC6	#FFFFFF	#000000	##000000
##577DC6	1.00	4.07	5.15	5.15
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F83C9

Deuteranopia (green-blind)

#5179C4

Tritanopia (blue-blind)

#0A8D98

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #577dc6;
/* rgb */ color: rgb(87, 125, 198);
/* oklch */ color: oklch(59.5% 0.120 262.5);

Tailwind

colors: {
  custom: {
    50: '#8ea2d7',
    500: '#577dc6',
    950: '#000000',
  },
}

SCSS

$custom: #577dc6;
$custom-light: #8ea2d7;
$custom-dark: #000000;

JSON

{
  "hex": "#577dc6",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 198
  },
  "hsl": {
    "h": 219.459,
    "s": 49.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.59482,
    "c": 0.12014,
    "h": 262.5
  },
  "luminance": 0.20771
}

Semantic roles & 50–950 ramp

primary

#577DC6

secondary

#D3C4A5

accent

#AA4FD9

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0F14

muted

#7E7E83

Preview Lab

Preview with #577DC6

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

Preview Lab → · Contrast checker → · Palette generator →