#557DA7#557DA7

#557DA7 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.8% C 0.079 H 250.5°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#557DA7
RGB	rgb(85, 125, 167)
HSL	hsl(211, 33%, 49%)
HSV	hsv(211, 49%, 65%)
CMYK	cmyk(49.1%, 25.1%, 0%, 34.5%)
CIE-LAB	lab(51.14, -1.97, -26.70)
CIE-LCH	lch(51.14, 26.77, 265.77°)
OKLab	oklab(57.76% -0.0264 -0.0745)
OKLCH	oklch(57.76% 0.079 250.5)
XYZ	xyz(18.0526, 19.3873, 39.3426)
Luminance	0.1939 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557DA7 #A77F55

analogous

#55A6A7 #557DA7 #5655A7

triadic

#557DA7 #A7557D #7DA755

tetradic

#557DA7 #A755A6 #A77F55 #55A756

square

#557DA7 #A755A6 #A77F55 #55A756

split-complementary

#557DA7 #A75655 #A6A755

monochromatic

#2C4056 #405F7E #557DA7 #7D9CBD #A5BBD1

Accessibility & contrast

On white

4.31

#557DA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#557DA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557DA7

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557DA7	#FFFFFF	#000000	##000000
##557DA7	1.00	4.31	4.88	4.88
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7EA9

Deuteranopia (green-blind)

#6276A6

Tritanopia (blue-blind)

#30878B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #557da7;
/* rgb */ color: rgb(85, 125, 167);
/* oklch */ color: oklch(57.8% 0.079 250.5);

Tailwind

colors: {
  custom: {
    50: '#89a2c1',
    500: '#557da7',
    950: '#000000',
  },
}

SCSS

$custom: #557da7;
$custom-light: #89a2c1;
$custom-dark: #000000;

JSON

{
  "hex": "#557da7",
  "rgb": {
    "r": 85,
    "g": 125,
    "b": 167
  },
  "hsl": {
    "h": 210.732,
    "s": 32.54,
    "l": 49.412
  },
  "oklch": {
    "l": 0.57759,
    "c": 0.07909,
    "h": 250.5
  },
  "luminance": 0.19389
}

Semantic roles & 50–950 ramp

primary

#557DA7

secondary

#BFAC99

accent

#955FC9

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #557DA7

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

Preview Lab → · Contrast checker → · Palette generator →