#557EB4#557EB4

#557EB4 is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 58.6% C 0.095 H 255.7°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#557EB4
RGB	rgb(85, 126, 180)
HSL	hsl(214, 39%, 52%)
HSV	hsv(214, 53%, 71%)
CMYK	cmyk(52.8%, 30%, 0%, 29.4%)
CIE-LAB	lab(52.00, 1.49, -32.86)
CIE-LCH	lch(52.00, 32.90, 272.60°)
OKLab	oklab(58.63% -0.0236 -0.0923)
OKLCH	oklch(58.63% 0.095 255.7)
XYZ	xyz(19.4425, 20.1468, 46.0353)
Luminance	0.2015 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557EB4 #B48B55

analogous

#55AEB4 #557EB4 #5B55B4

triadic

#557EB4 #B4557E #7EB455

tetradic

#557EB4 #B455AE #B48B55 #55B45B

square

#557EB4 #B455AE #B48B55 #55B45B

split-complementary

#557EB4 #B45B55 #AEB455

monochromatic

#2C4463 #3E608D #557EB4 #7F9EC7 #AABED9

Accessibility & contrast

On white

4.18

#557EB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#557EB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557EB4

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557EB4	#FFFFFF	#000000	##000000
##557EB4	1.00	4.18	5.03	5.03
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6981B6

Deuteranopia (green-blind)

#5D78B3

Tritanopia (blue-blind)

#238A91

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #557eb4;
/* rgb */ color: rgb(85, 126, 180);
/* oklch */ color: oklch(58.6% 0.095 255.7);

Tailwind

colors: {
  custom: {
    50: '#8ba3ca',
    500: '#557eb4',
    950: '#000000',
  },
}

SCSS

$custom: #557eb4;
$custom-light: #8ba3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#557eb4",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 180
  },
  "hsl": {
    "h": 214.105,
    "s": 38.776,
    "l": 51.961
  },
  "oklch": {
    "l": 0.58628,
    "c": 0.09528,
    "h": 255.7
  },
  "luminance": 0.20148
}

Semantic roles & 50–950 ramp

primary

#557EB4

secondary

#C7B59E

accent

#9C59CF

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #557EB4

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

Preview Lab → · Contrast checker → · Palette generator →