#557EC2#557EC2

#557EC2 is a mid, moderate blue. Relative luminance 0.207; OKLCH L 59.4% C 0.114 H 260.1°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#557EC2
RGB	rgb(85, 126, 194)
HSL	hsl(217, 47%, 55%)
HSV	hsv(217, 56%, 76%)
CMYK	cmyk(56.2%, 35.1%, 0%, 23.9%)
CIE-LAB	lab(52.67, 6.00, -39.84)
CIE-LCH	lch(52.67, 40.29, 278.56°)
OKLab	oklab(59.37% -0.0197 -0.1126)
OKLCH	oklch(59.37% 0.114 260.1)
XYZ	xyz(20.9414, 20.7464, 53.9294)
Luminance	0.2075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557EC2 #C29955

analogous

#55B5C2 #557EC2 #6355C2

triadic

#557EC2 #C2557E #7EC255

tetradic

#557EC2 #C255B5 #C29955 #55C263

square

#557EC2 #C255B5 #C29955 #55C263

split-complementary

#557EC2 #C26355 #B5C255

monochromatic

#294573 #3A60A0 #557EC2 #82A0D2 #AFC2E2

Accessibility & contrast

On white

4.08

#557EC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#557EC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EC2

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557EC2	#FFFFFF	#000000	##000000
##557EC2	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6283C5

Deuteranopia (green-blind)

#5579C1

Tritanopia (blue-blind)

#058D97

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #557ec2;
/* rgb */ color: rgb(85, 126, 194);
/* oklch */ color: oklch(59.4% 0.114 260.1);

Tailwind

colors: {
  custom: {
    50: '#8da3d5',
    500: '#557ec2',
    950: '#000000',
  },
}

SCSS

$custom: #557ec2;
$custom-light: #8da3d5;
$custom-dark: #000000;

JSON

{
  "hex": "#557ec2",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 194
  },
  "hsl": {
    "h": 217.431,
    "s": 47.186,
    "l": 54.706
  },
  "oklch": {
    "l": 0.59368,
    "c": 0.11431,
    "h": 260.1
  },
  "luminance": 0.20748
}

Semantic roles & 50–950 ramp

primary

#557EC2

secondary

#D0BFA2

accent

#A451D7

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0F14

muted

#7E7E83

Preview Lab

Preview with #557EC2

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

Preview Lab → · Contrast checker → · Palette generator →