#577EC6#577EC6

#577EC6 is a mid, moderate blue. Relative luminance 0.210; OKLCH L 59.7% C 0.119 H 261.8°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#577EC6
RGB	rgb(87, 126, 198)
HSL	hsl(219, 49%, 56%)
HSV	hsv(219, 56%, 78%)
CMYK	cmyk(56.1%, 36.4%, 0%, 22.4%)
CIE-LAB	lab(52.98, 7.73, -41.64)
CIE-LCH	lch(52.98, 42.35, 280.51°)
OKLab	oklab(59.7% -0.0169 -0.1178)
OKLCH	oklch(59.7% 0.119 261.8)
XYZ	xyz(21.5809, 21.0234, 56.3358)
Luminance	0.2102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577EC6 #C69F57

analogous

#57B5C6 #577EC6 #6757C6

triadic

#577EC6 #C6577E #7EC657

tetradic

#577EC6 #C657B5 #C69F57 #57C667

square

#577EC6 #C657B5 #C69F57 #57C667

split-complementary

#577EC6 #C66757 #B5C657

monochromatic

#294579 #395FA7 #577EC6 #85A1D6 #B2C4E5

Accessibility & contrast

On white

4.03

#577EC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#577EC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577EC6

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577EC6	#FFFFFF	#000000	##000000
##577EC6	1.00	4.03	5.20	5.20
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6184C9

Deuteranopia (green-blind)

#537AC4

Tritanopia (blue-blind)

#098E99

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #577ec6;
/* rgb */ color: rgb(87, 126, 198);
/* oklch */ color: oklch(59.7% 0.119 261.8);

Tailwind

colors: {
  custom: {
    50: '#8ea3d7',
    500: '#577ec6',
    950: '#000000',
  },
}

SCSS

$custom: #577ec6;
$custom-light: #8ea3d7;
$custom-dark: #000000;

JSON

{
  "hex": "#577ec6",
  "rgb": {
    "r": 87,
    "g": 126,
    "b": 198
  },
  "hsl": {
    "h": 218.919,
    "s": 49.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.59698,
    "c": 0.119,
    "h": 261.8
  },
  "luminance": 0.21025
}

Semantic roles & 50–950 ramp

primary

#577EC6

secondary

#D3C3A5

accent

#A84FD9

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0F14

muted

#7E7E83

Preview Lab

Preview with #577EC6

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

Preview Lab → · Contrast checker → · Palette generator →