#557CBE#557CBE

#557CBE is a mid, moderate blue. Relative luminance 0.201; OKLCH L 58.7% C 0.111 H 260.4°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#557CBE
RGB	rgb(85, 124, 190)
HSL	hsl(218, 45%, 54%)
HSV	hsv(218, 55%, 75%)
CMYK	cmyk(55.3%, 34.7%, 0%, 25.5%)
CIE-LAB	lab(51.91, 5.90, -38.76)
CIE-LCH	lch(51.91, 39.20, 278.65°)
OKLab	oklab(58.71% -0.0184 -0.1094)
OKLCH	oklch(58.71% 0.111 260.4)
XYZ	xyz(20.2450, 20.0627, 51.5109)
Luminance	0.2006 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557CBE #BE9755

analogous

#55B1BE #557CBE #6355BE

triadic

#557CBE #BE557C #7CBE55

tetradic

#557CBE #BE55B1 #BE9755 #55BE63

square

#557CBE #BE55B1 #BE9755 #55BE63

split-complementary

#557CBE #BE6355 #B1BE55

monochromatic

#2A446E #3B5F9B #557CBE #819ECF #AEC0E0

Accessibility & contrast

On white

4.19

#557CBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#557CBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557CBE

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557CBE	#FFFFFF	#000000	##000000
##557CBE	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6181C1

Deuteranopia (green-blind)

#5477BD

Tritanopia (blue-blind)

#138B94

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #557cbe;
/* rgb */ color: rgb(85, 124, 190);
/* oklch */ color: oklch(58.7% 0.111 260.4);

Tailwind

colors: {
  custom: {
    50: '#8ca1d2',
    500: '#557cbe',
    950: '#000000',
  },
}

SCSS

$custom: #557cbe;
$custom-light: #8ca1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#557cbe",
  "rgb": {
    "r": 85,
    "g": 124,
    "b": 190
  },
  "hsl": {
    "h": 217.714,
    "s": 44.681,
    "l": 53.922
  },
  "oklch": {
    "l": 0.5871,
    "c": 0.11099,
    "h": 260.4
  },
  "luminance": 0.20064
}

Semantic roles & 50–950 ramp

primary

#557CBE

secondary

#CEBDA1

accent

#A453D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0D0E14

muted

#7D7E82

Preview Lab

Preview with #557CBE

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

Preview Lab → · Contrast checker → · Palette generator →