#577DD6#577DD6

#577DD6 is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.4% C 0.142 H 265.0°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#577DD6
RGB	rgb(87, 125, 214)
HSL	hsl(222, 61%, 59%)
HSV	hsv(222, 59%, 84%)
CMYK	cmyk(59.3%, 41.6%, 0%, 16.1%)
CIE-LAB	lab(53.54, 13.61, -49.81)
CIE-LCH	lch(53.54, 51.64, 285.28°)
OKLab	oklab(60.41% -0.0123 -0.1417)
OKLCH	oklch(60.41% 0.142 265)
XYZ	xyz(23.3975, 21.5465, 66.5312)
Luminance	0.2155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577DD6 #D6B057

analogous

#57BDD6 #577DD6 #7157D6

triadic

#577DD6 #D6577D #7DD657

tetradic

#577DD6 #D657BD #D6B057 #57D671

square

#577DD6 #D657BD #D6B057 #57D671

split-complementary

#577DD6 #D67157 #BDD657

monochromatic

#234490 #2F5BC1 #577DD6 #88A3E2 #B9C9EE

Accessibility & contrast

On white

3.95

#577DD6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#577DD6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577DD6

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577DD6	#FFFFFF	#000000	##000000
##577DD6	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5686D9

Deuteranopia (green-blind)

#447BD4

Tritanopia (blue-blind)

#00919F

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #577dd6;
/* rgb */ color: rgb(87, 125, 214);
/* oklch */ color: oklch(60.4% 0.142 265.0);

Tailwind

colors: {
  custom: {
    50: '#90a2e3',
    500: '#577dd6',
    950: '#000000',
  },
}

SCSS

$custom: #577dd6;
$custom-light: #90a2e3;
$custom-dark: #000000;

JSON

{
  "hex": "#577dd6",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 214
  },
  "hsl": {
    "h": 222.047,
    "s": 60.766,
    "l": 59.02
  },
  "oklch": {
    "l": 0.60412,
    "c": 0.14228,
    "h": 265
  },
  "luminance": 0.21549
}

Semantic roles & 50–950 ramp

primary

#577DD6

secondary

#DDCEAB

accent

#B444E4

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0F15

muted

#7E7E83

Preview Lab

Preview with #577DD6

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

Preview Lab → · Contrast checker → · Palette generator →