#557CC5#557CC5

#557CC5 is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.1% C 0.121 H 262.0°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#557CC5
RGB	rgb(85, 124, 197)
HSL	hsl(219, 49%, 55%)
HSV	hsv(219, 57%, 77%)
CMYK	cmyk(56.9%, 37.1%, 0%, 22.7%)
CIE-LAB	lab(52.26, 8.18, -42.20)
CIE-LCH	lch(52.26, 42.99, 280.98°)
OKLab	oklab(59.1% -0.0167 -0.1195)
OKLCH	oklch(59.1% 0.121 262)
XYZ	xyz(21.0285, 20.3761, 55.6373)
Luminance	0.2038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557CC5 #C59E55

analogous

#55B4C5 #557CC5 #6655C5

triadic

#557CC5 #C5557C #7CC555

tetradic

#557CC5 #C555B4 #C59E55 #55C566

square

#557CC5 #C555B4 #C59E55 #55C566

split-complementary

#557CC5 #C56655 #B4C555

monochromatic

#294477 #385EA5 #557CC5 #839FD5 #B0C2E4

Accessibility & contrast

On white

4.14

#557CC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#557CC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557CC5

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557CC5	#FFFFFF	#000000	##000000
##557CC5	1.00	4.14	5.08	5.08
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E82C8

Deuteranopia (green-blind)

#5078C3

Tritanopia (blue-blind)

#008C97

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #557cc5;
/* rgb */ color: rgb(85, 124, 197);
/* oklch */ color: oklch(59.1% 0.121 262.0);

Tailwind

colors: {
  custom: {
    50: '#8da1d7',
    500: '#557cc5',
    950: '#000000',
  },
}

SCSS

$custom: #557cc5;
$custom-light: #8da1d7;
$custom-dark: #000000;

JSON

{
  "hex": "#557cc5",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 197
  },
  "hsl": {
    "h": 219.107,
    "s": 49.123,
    "l": 55.294
  },
  "oklch": {
    "l": 0.59099,
    "c": 0.12067,
    "h": 262
  },
  "luminance": 0.20378
}

Semantic roles & 50–950 ramp

primary

#557CC5

secondary

#D2C2A3

accent

#A94FD9

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E14

muted

#7E7E83

Preview Lab

Preview with #557CC5

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

Preview Lab → · Contrast checker → · Palette generator →