#557DC5#557DC5

#557DC5 is a mid, moderate blue. Relative luminance 0.206; OKLCH L 59.3% C 0.120 H 261.4°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#557DC5
RGB	rgb(85, 125, 197)
HSL	hsl(219, 49%, 55%)
HSV	hsv(219, 57%, 77%)
CMYK	cmyk(56.9%, 36.5%, 0%, 22.7%)
CIE-LAB	lab(52.54, 7.58, -41.76)
CIE-LCH	lch(52.54, 42.44, 280.29°)
OKLab	oklab(59.32% -0.0178 -0.1182)
OKLCH	oklch(59.32% 0.12 261.4)
XYZ	xyz(21.1545, 20.6280, 55.6793)
Luminance	0.2063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557DC5 #C59D55

analogous

#55B5C5 #557DC5 #6555C5

triadic

#557DC5 #C5557D #7DC555

tetradic

#557DC5 #C555B5 #C59D55 #55C565

square

#557DC5 #C555B5 #C59D55 #55C565

split-complementary

#557DC5 #C56555 #B5C555

monochromatic

#294577 #385FA5 #557DC5 #83A0D5 #B0C3E4

Accessibility & contrast

On white

4.10

#557DC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#557DC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557DC5

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557DC5	#FFFFFF	#000000	##000000
##557DC5	1.00	4.10	5.13	5.13
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F83C8

Deuteranopia (green-blind)

#5179C3

Tritanopia (blue-blind)

#008D98

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #557dc5;
/* rgb */ color: rgb(85, 125, 197);
/* oklch */ color: oklch(59.3% 0.120 261.4);

Tailwind

colors: {
  custom: {
    50: '#8da2d7',
    500: '#557dc5',
    950: '#000000',
  },
}

SCSS

$custom: #557dc5;
$custom-light: #8da2d7;
$custom-dark: #000000;

JSON

{
  "hex": "#557dc5",
  "rgb": {
    "r": 85,
    "g": 125,
    "b": 197
  },
  "hsl": {
    "h": 218.571,
    "s": 49.123,
    "l": 55.294
  },
  "oklch": {
    "l": 0.59316,
    "c": 0.11955,
    "h": 261.4
  },
  "luminance": 0.2063
}

Semantic roles & 50–950 ramp

primary

#557DC5

secondary

#D2C2A3

accent

#A84FD9

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0F14

muted

#7E7E83

Preview Lab

Preview with #557DC5

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

Preview Lab → · Contrast checker → · Palette generator →