#577ADC#577ADC

#577ADC is a mid, vivid blue. Relative luminance 0.211; OKLCH L 60.2% C 0.154 H 267.0°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#577ADC
RGB	rgb(87, 122, 220)
HSL	hsl(224, 66%, 60%)
HSV	hsv(224, 60%, 86%)
CMYK	cmyk(60.5%, 44.5%, 0%, 13.7%)
CIE-LAB	lab(53.07, 17.45, -53.95)
CIE-LCH	lch(53.07, 56.70, 287.92°)
OKLab	oklab(60.16% -0.0082 -0.1539)
OKLCH	oklch(60.16% 0.154 267)
XYZ	xyz(23.8039, 21.1106, 70.5166)
Luminance	0.2111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577ADC #DCB957

analogous

#57BCDC #577ADC #7757DC

triadic

#577ADC #DC577A #7ADC57

tetradic

#577ADC #DC57BC #DCB957 #57DC77

square

#577ADC #DC57BC #DCB957 #57DC77

split-complementary

#577ADC #DC7757 #BCDC57

monochromatic

#204099 #2A55CB #577ADC #8AA2E7 #BCCAF1

Accessibility & contrast

On white

4.02

#577ADC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#577ADC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577ADC

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577ADC	#FFFFFF	#000000	##000000
##577ADC	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C85E0

Deuteranopia (green-blind)

#3879DA

Tritanopia (blue-blind)

#0090A0

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #577adc;
/* rgb */ color: rgb(87, 122, 220);
/* oklch */ color: oklch(60.2% 0.154 267.0);

Tailwind

colors: {
  custom: {
    50: '#91a0e7',
    500: '#577adc',
    950: '#000000',
  },
}

SCSS

$custom: #577adc;
$custom-light: #91a0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#577adc",
  "rgb": {
    "r": 87,
    "g": 122,
    "b": 220
  },
  "hsl": {
    "h": 224.211,
    "s": 65.517,
    "l": 60.196
  },
  "oklch": {
    "l": 0.60159,
    "c": 0.15414,
    "h": 267
  },
  "luminance": 0.21113
}

Semantic roles & 50–950 ramp

primary

#577ADC

secondary

#E1D3AE

accent

#9E18CD

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #577ADC

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

Preview Lab → · Contrast checker → · Palette generator →