#557EDA#557EDA

#557EDA is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.8% C 0.147 H 264.4°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#557EDA
RGB	rgb(85, 126, 218)
HSL	hsl(222, 64%, 59%)
HSV	hsv(222, 61%, 85%)
CMYK	cmyk(61%, 42.2%, 0%, 14.5%)
CIE-LAB	lab(53.93, 13.96, -51.45)
CIE-LCH	lch(53.93, 53.31, 285.18°)
OKLab	oklab(60.76% -0.0144 -0.1466)
OKLCH	oklch(60.76% 0.147 264.4)
XYZ	xyz(23.8577, 21.9129, 69.2884)
Luminance	0.2192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557EDA #DAB155

analogous

#55C0DA #557EDA #6F55DA

triadic

#557EDA #DA557E #7EDA55

tetradic

#557EDA #DA55C0 #DAB155 #55DA6F

square

#557EDA #DA55C0 #DAB155 #55DA6F

split-complementary

#557EDA #DA6F55 #C0DA55

monochromatic

#204494 #2B5BC7 #557EDA #87A4E5 #BACAF0

Accessibility & contrast

On white

3.90

#557EDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#557EDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EDA

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557EDA	#FFFFFF	#000000	##000000
##557EDA	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5587DE

Deuteranopia (green-blind)

#417BD8

Tritanopia (blue-blind)

#0093A1

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #557eda;
/* rgb */ color: rgb(85, 126, 218);
/* oklch */ color: oklch(60.8% 0.147 264.4);

Tailwind

colors: {
  custom: {
    50: '#90a2e6',
    500: '#557eda',
    950: '#000000',
  },
}

SCSS

$custom: #557eda;
$custom-light: #90a2e6;
$custom-dark: #000000;

JSON

{
  "hex": "#557eda",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 218
  },
  "hsl": {
    "h": 221.504,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.60758,
    "c": 0.14727,
    "h": 264.4
  },
  "luminance": 0.21915
}

Semantic roles & 50–950 ramp

primary

#557EDA

secondary

#DFCFAB

accent

#B441E7

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #557EDA

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

Preview Lab → · Contrast checker → · Palette generator →