#577CE2#577CE2

#577CE2 is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.9% C 0.160 H 266.7°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#577CE2
RGB	rgb(87, 124, 226)
HSL	hsl(224, 71%, 61%)
HSV	hsv(224, 62%, 89%)
CMYK	cmyk(61.5%, 45.1%, 0%, 11.4%)
CIE-LAB	lab(53.95, 18.24, -55.91)
CIE-LCH	lch(53.95, 58.81, 288.07°)
OKLab	oklab(60.95% -0.0093 -0.1596)
OKLCH	oklch(60.95% 0.16 266.7)
XYZ	xyz(24.8609, 21.9304, 74.8596)
Luminance	0.2193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577CE2 #E2BD57

analogous

#57C2E2 #577CE2 #7857E2

triadic

#577CE2 #E2577C #7CE257

tetradic

#577CE2 #E257C2 #E2BD57 #57E278

square

#577CE2 #E257C2 #E2BD57 #57E278

split-complementary

#577CE2 #E27857 #C2E257

monochromatic

#1C40A3 #2554D7 #577CE2 #8BA5EB #BFCDF4

Accessibility & contrast

On white

3.90

#577CE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#577CE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577CE2

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577CE2	#FFFFFF	#000000	##000000
##577CE2	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B88E6

Deuteranopia (green-blind)

#357BE0

Tritanopia (blue-blind)

#0093A4

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #577ce2;
/* rgb */ color: rgb(87, 124, 226);
/* oklch */ color: oklch(60.9% 0.160 266.7);

Tailwind

colors: {
  custom: {
    50: '#92a1ec',
    500: '#577ce2',
    950: '#000000',
  },
}

SCSS

$custom: #577ce2;
$custom-light: #92a1ec;
$custom-dark: #000000;

JSON

{
  "hex": "#577ce2",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 226
  },
  "hsl": {
    "h": 224.029,
    "s": 70.558,
    "l": 61.373
  },
  "oklch": {
    "l": 0.60947,
    "c": 0.15992,
    "h": 266.7
  },
  "luminance": 0.21933
}

Semantic roles & 50–950 ramp

primary

#577CE2

secondary

#E4D7B0

accent

#A013D3

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #577CE2

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

Preview Lab → · Contrast checker → · Palette generator →