#557DC2#557DC2

#557DC2 is a mid, moderate blue. Relative luminance 0.205; OKLCH L 59.1% C 0.115 H 260.7°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#557DC2
RGB	rgb(85, 125, 194)
HSL	hsl(218, 47%, 55%)
HSV	hsv(218, 56%, 76%)
CMYK	cmyk(56.2%, 35.6%, 0%, 23.9%)
CIE-LAB	lab(52.39, 6.60, -40.29)
CIE-LCH	lch(52.39, 40.82, 279.30°)
OKLab	oklab(59.15% -0.0186 -0.1139)
OKLCH	oklch(59.15% 0.115 260.7)
XYZ	xyz(20.8142, 20.4919, 53.8870)
Luminance	0.2049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557DC2 #C29A55

analogous

#55B3C2 #557DC2 #6455C2

triadic

#557DC2 #C2557D #7DC255

tetradic

#557DC2 #C255B3 #C29A55 #55C264

square

#557DC2 #C255B3 #C29A55 #55C264

split-complementary

#557DC2 #C26455 #B3C255

monochromatic

#294473 #3A5FA0 #557DC2 #829FD2 #AFC2E2

Accessibility & contrast

On white

4.12

#557DC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#557DC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557DC2

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557DC2	#FFFFFF	#000000	##000000
##557DC2	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6183C5

Deuteranopia (green-blind)

#5378C1

Tritanopia (blue-blind)

#068C96

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #557dc2;
/* rgb */ color: rgb(85, 125, 194);
/* oklch */ color: oklch(59.1% 0.115 260.7);

Tailwind

colors: {
  custom: {
    50: '#8da2d5',
    500: '#557dc2',
    950: '#000000',
  },
}

SCSS

$custom: #557dc2;
$custom-light: #8da2d5;
$custom-dark: #000000;

JSON

{
  "hex": "#557dc2",
  "rgb": {
    "r": 85,
    "g": 125,
    "b": 194
  },
  "hsl": {
    "h": 217.982,
    "s": 47.186,
    "l": 54.706
  },
  "oklch": {
    "l": 0.59149,
    "c": 0.11542,
    "h": 260.7
  },
  "luminance": 0.20494
}

Semantic roles & 50–950 ramp

primary

#557DC2

secondary

#D0C0A2

accent

#A651D7

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0F14

muted

#7E7E83

Preview Lab

Preview with #557DC2

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

Preview Lab → · Contrast checker → · Palette generator →