#557EB5#557EB5

#557EB5 is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.7% C 0.097 H 256.1°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#557EB5
RGB	rgb(85, 126, 181)
HSL	hsl(214, 39%, 52%)
HSV	hsv(214, 53%, 71%)
CMYK	cmyk(53%, 30.4%, 0%, 29%)
CIE-LAB	lab(52.05, 1.81, -33.37)
CIE-LCH	lch(52.05, 33.42, 273.10°)
OKLab	oklab(58.68% -0.0233 -0.0938)
OKLCH	oklch(58.68% 0.097 256.1)
XYZ	xyz(19.5448, 20.1877, 46.5738)
Luminance	0.2019 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557EB5 #B58C55

analogous

#55AEB5 #557EB5 #5C55B5

triadic

#557EB5 #B5557E #7EB555

tetradic

#557EB5 #B555AE #B58C55 #55B55C

square

#557EB5 #B555AE #B58C55 #55B55C

split-complementary

#557EB5 #B55C55 #AEB555

monochromatic

#2C4464 #3E618F #557EB5 #809EC8 #AABFDA

Accessibility & contrast

On white

4.17

#557EB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#557EB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EB5

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557EB5	#FFFFFF	#000000	##000000
##557EB5	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)

#6881B7

Deuteranopia (green-blind)

#5C78B4

Tritanopia (blue-blind)

#218A91

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #557eb5;
/* rgb */ color: rgb(85, 126, 181);
/* oklch */ color: oklch(58.7% 0.097 256.1);

Tailwind

colors: {
  custom: {
    50: '#8ba3cb',
    500: '#557eb5',
    950: '#000000',
  },
}

SCSS

$custom: #557eb5;
$custom-light: #8ba3cb;
$custom-dark: #000000;

JSON

{
  "hex": "#557eb5",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 181
  },
  "hsl": {
    "h": 214.375,
    "s": 39.344,
    "l": 52.157
  },
  "oklch": {
    "l": 0.58679,
    "c": 0.09662,
    "h": 256.1
  },
  "luminance": 0.20189
}

Semantic roles & 50–950 ramp

primary

#557EB5

secondary

#C8B69E

accent

#9D59CF

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #557EB5

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

Preview Lab → · Contrast checker → · Palette generator →