#577DE2#577DE2

#577DE2 is a mid, vivid blue. Relative luminance 0.222; OKLCH L 61.2% C 0.159 H 266.3°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#577DE2
RGB	rgb(87, 125, 226)
HSL	hsl(224, 71%, 61%)
HSV	hsv(224, 62%, 89%)
CMYK	cmyk(61.5%, 44.7%, 0%, 11.4%)
CIE-LAB	lab(54.22, 17.63, -55.48)
CIE-LCH	lch(54.22, 58.22, 287.63°)
OKLab	oklab(61.15% -0.0102 -0.1584)
OKLCH	oklch(61.15% 0.159 266.3)
XYZ	xyz(24.9869, 22.1823, 74.9016)
Luminance	0.2218 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577DE2 #E2BC57

analogous

#57C3E2 #577DE2 #7757E2

triadic

#577DE2 #E2577D #7DE257

tetradic

#577DE2 #E257C3 #E2BC57 #57E277

square

#577DE2 #E257C3 #E2BC57 #57E277

split-complementary

#577DE2 #E27757 #C3E257

monochromatic

#1C41A3 #2556D7 #577DE2 #8BA5EB #BFCEF4

Accessibility & contrast

On white

3.86

#577DE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#577DE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577DE2

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577DE2	#FFFFFF	#000000	##000000
##577DE2	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D88E6

Deuteranopia (green-blind)

#377CE0

Tritanopia (blue-blind)

#0094A4

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #577de2;
/* rgb */ color: rgb(87, 125, 226);
/* oklch */ color: oklch(61.2% 0.159 266.3);

Tailwind

colors: {
  custom: {
    50: '#92a2ec',
    500: '#577de2',
    950: '#000000',
  },
}

SCSS

$custom: #577de2;
$custom-light: #92a2ec;
$custom-dark: #000000;

JSON

{
  "hex": "#577de2",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 226
  },
  "hsl": {
    "h": 223.597,
    "s": 70.558,
    "l": 61.373
  },
  "oklch": {
    "l": 0.61152,
    "c": 0.15871,
    "h": 266.3
  },
  "luminance": 0.22184
}

Semantic roles & 50–950 ramp

primary

#577DE2

secondary

#E4D6B0

accent

#9E13D3

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #577DE2

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

Preview Lab → · Contrast checker → · Palette generator →