#577DFF#577DFF

#577DFF is a light, vivid blue. Relative luminance 0.239; OKLCH L 63.1% C 0.197 H 268.1°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#577DFF
RGB	rgb(87, 125, 255)
HSL	hsl(226, 100%, 67%)
HSV	hsv(226, 66%, 100%)
CMYK	cmyk(65.9%, 51%, 0%, 0%)
CIE-LAB	lab(56.00, 27.46, -68.74)
CIE-LCH	lch(56.00, 74.02, 291.77°)
OKLab	oklab(63.08% -0.0067 -0.1974)
OKLCH	oklch(63.08% 0.197 268.1)
XYZ	xyz(29.3079, 23.9107, 97.6591)
Luminance	0.2391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577DFF #FFD957

analogous

#57D1FF #577DFF #8557FF

triadic

#577DFF #FF577D #7DFF57

tetradic

#577DFF #FF57D1 #FFD957 #57FF85

square

#577DFF #FF57D1 #FFD957 #57FF85

split-complementary

#577DFF #FF8557 #D1FF57

monochromatic

#0032DC #1A4EFF #577DFF #94ACFF #D1DCFF

Accessibility & contrast

On white

3.63

#577DFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#577DFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577DFF

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577DFF	#FFFFFF	#000000	##000000
##577DFF	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C8EFF

Deuteranopia (green-blind)

#007FFC

Tritanopia (blue-blind)

#009CB2

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #577dff;
/* rgb */ color: rgb(87, 125, 255);
/* oklch */ color: oklch(63.1% 0.197 268.1);

Tailwind

colors: {
  custom: {
    50: '#97a2ff',
    500: '#577dff',
    950: '#000000',
  },
}

SCSS

$custom: #577dff;
$custom-light: #97a2ff;
$custom-dark: #000000;

JSON

{
  "hex": "#577dff",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 255
  },
  "hsl": {
    "h": 226.429,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.63077,
    "c": 0.19749,
    "h": 268.1
  },
  "luminance": 0.23913
}

Semantic roles & 50–950 ramp

primary

#577DFF

secondary

#F4E8BE

accent

#B200E6

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0F18

muted

#7F7E86

Preview Lab

Preview with #577DFF

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

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