#557EC5#557EC5

#557EC5 is a mid, moderate blue. Relative luminance 0.209; OKLCH L 59.5% C 0.118 H 260.8°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#557EC5
RGB	rgb(85, 126, 197)
HSL	hsl(218, 49%, 55%)
HSV	hsv(218, 57%, 77%)
CMYK	cmyk(56.9%, 36%, 0%, 22.7%)
CIE-LAB	lab(52.82, 6.98, -41.32)
CIE-LCH	lch(52.82, 41.90, 279.58°)
OKLab	oklab(59.53% -0.019 -0.1169)
OKLCH	oklch(59.53% 0.118 260.8)
XYZ	xyz(21.2817, 20.8825, 55.7217)
Luminance	0.2088 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557EC5 #C59C55

analogous

#55B6C5 #557EC5 #6455C5

triadic

#557EC5 #C5557E #7EC555

tetradic

#557EC5 #C555B6 #C59C55 #55C564

square

#557EC5 #C555B6 #C59C55 #55C564

split-complementary

#557EC5 #C56455 #B6C555

monochromatic

#294577 #3860A5 #557EC5 #83A1D5 #B0C3E4

Accessibility & contrast

On white

4.06

#557EC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#557EC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EC5

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557EC5	#FFFFFF	#000000	##000000
##557EC5	1.00	4.06	5.18	5.18
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6184C8

Deuteranopia (green-blind)

#5379C3

Tritanopia (blue-blind)

#008E98

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #557ec5;
/* rgb */ color: rgb(85, 126, 197);
/* oklch */ color: oklch(59.5% 0.118 260.8);

Tailwind

colors: {
  custom: {
    50: '#8da3d7',
    500: '#557ec5',
    950: '#000000',
  },
}

SCSS

$custom: #557ec5;
$custom-light: #8da3d7;
$custom-dark: #000000;

JSON

{
  "hex": "#557ec5",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 197
  },
  "hsl": {
    "h": 218.036,
    "s": 49.123,
    "l": 55.294
  },
  "oklch": {
    "l": 0.59534,
    "c": 0.11844,
    "h": 260.8
  },
  "luminance": 0.20884
}

Semantic roles & 50–950 ramp

primary

#557EC5

secondary

#D2C1A3

accent

#A64FD9

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0F14

muted

#7E7E83

Preview Lab

Preview with #557EC5

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

Preview Lab → · Contrast checker → · Palette generator →