#557BED#557BED

#557BED is a mid, vivid blue. Relative luminance 0.222; OKLCH L 61.4% C 0.177 H 267.2°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#557BED
RGB	rgb(85, 123, 237)
HSL	hsl(225, 81%, 63%)
HSV	hsv(225, 64%, 93%)
CMYK	cmyk(64.1%, 48.1%, 0%, 7.1%)
CIE-LAB	lab(54.25, 22.24, -61.59)
CIE-LCH	lch(54.25, 65.48, 289.85°)
OKLab	oklab(61.36% -0.0086 -0.1764)
OKLCH	oklch(61.36% 0.177 267.2)
XYZ	xyz(26.1101, 22.2092, 83.0152)
Luminance	0.2221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557BED #EDC755

analogous

#55C7ED #557BED #7B55ED

triadic

#557BED #ED557B #7BED55

tetradic

#557BED #ED55C7 #EDC755 #55ED7B

square

#557BED #ED55C7 #EDC755 #55ED7B

split-complementary

#557BED #ED7B55 #C7ED55

monochromatic

#133BB4 #1E50E7 #557BED #8CA6F3 #C4D1F9

Accessibility & contrast

On white

3.86

#557BED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#557BED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557BED

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557BED	#FFFFFF	#000000	##000000
##557BED	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E89F1

Deuteranopia (green-blind)

#1B7BEB

Tritanopia (blue-blind)

#0095A9

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #557bed;
/* rgb */ color: rgb(85, 123, 237);
/* oklch */ color: oklch(61.4% 0.177 267.2);

Tailwind

colors: {
  custom: {
    50: '#93a0f3',
    500: '#557bed',
    950: '#000000',
  },
}

SCSS

$custom: #557bed;
$custom-light: #93a0f3;
$custom-dark: #000000;

JSON

{
  "hex": "#557bed",
  "rgb": {
    "r": 85,
    "g": 123,
    "b": 237
  },
  "hsl": {
    "h": 225,
    "s": 80.851,
    "l": 63.137
  },
  "oklch": {
    "l": 0.61358,
    "c": 0.17662,
    "h": 267.2
  },
  "luminance": 0.22212
}

Semantic roles & 50–950 ramp

primary

#557BED

secondary

#EADDB4

accent

#A808DD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #557BED

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

Preview Lab → · Contrast checker → · Palette generator →