#557FAF#557FAF

#557FAF is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.6% C 0.088 H 252.6°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#557FAF
RGB	rgb(85, 127, 175)
HSL	hsl(212, 36%, 51%)
HSV	hsv(212, 51%, 69%)
CMYK	cmyk(51.4%, 27.4%, 0%, 31.4%)
CIE-LAB	lab(52.07, -0.67, -29.88)
CIE-LCH	lch(52.07, 29.89, 268.71°)
OKLab	oklab(58.6% -0.0263 -0.0837)
OKLCH	oklch(58.6% 0.088 252.6)
XYZ	xyz(19.0709, 20.2038, 43.4439)
Luminance	0.2021 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557FAF #AF8555

analogous

#55ACAF #557FAF #5855AF

triadic

#557FAF #AF557F #7FAF55

tetradic

#557FAF #AF55AC #AF8555 #55AF58

square

#557FAF #AF55AC #AF8555 #55AF58

split-complementary

#557FAF #AF5855 #ACAF55

monochromatic

#2C435E #406187 #557FAF #7F9EC3 #A8BED6

Accessibility & contrast

On white

4.17

#557FAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#557FAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557FAF

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557FAF	#FFFFFF	#000000	##000000
##557FAF	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C81B1

Deuteranopia (green-blind)

#6178AE

Tritanopia (blue-blind)

#288A90

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #557faf;
/* rgb */ color: rgb(85, 127, 175);
/* oklch */ color: oklch(58.6% 0.088 252.6);

Tailwind

colors: {
  custom: {
    50: '#8aa3c7',
    500: '#557faf',
    950: '#000000',
  },
}

SCSS

$custom: #557faf;
$custom-light: #8aa3c7;
$custom-dark: #000000;

JSON

{
  "hex": "#557faf",
  "rgb": {
    "r": 85,
    "g": 127,
    "b": 175
  },
  "hsl": {
    "h": 212,
    "s": 36,
    "l": 50.98
  },
  "oklch": {
    "l": 0.58604,
    "c": 0.08774,
    "h": 252.6
  },
  "luminance": 0.20205
}

Semantic roles & 50–950 ramp

primary

#557FAF

secondary

#C4B19C

accent

#985CCC

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #557FAF

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

Preview Lab → · Contrast checker → · Palette generator →