#557FD6#557FD6

#557FD6 is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.7% C 0.141 H 263.4°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#557FD6
RGB	rgb(85, 127, 214)
HSL	hsl(220, 61%, 59%)
HSV	hsv(220, 60%, 84%)
CMYK	cmyk(60.3%, 40.7%, 0%, 16.1%)
CIE-LAB	lab(53.99, 12.01, -49.11)
CIE-LCH	lch(53.99, 50.56, 283.74°)
OKLab	oklab(60.73% -0.0163 -0.1397)
OKLCH	oklch(60.73% 0.141 263.4)
XYZ	xyz(23.4691, 21.9630, 66.6078)
Luminance	0.2197 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557FD6 #D6AC55

analogous

#55BFD6 #557FD6 #6B55D6

triadic

#557FD6 #D6557F #7FD655

tetradic

#557FD6 #D655BF #D6AC55 #55D66B

square

#557FD6 #D655BF #D6AC55 #55D66B

split-complementary

#557FD6 #D66B55 #BFD655

monochromatic

#22458E #2E5EC0 #557FD6 #86A4E2 #B8C9EE

Accessibility & contrast

On white

3.89

#557FD6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#557FD6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #557FD6

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557FD6	#FFFFFF	#000000	##000000
##557FD6	1.00	3.89	5.39	5.39
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5987D9

Deuteranopia (green-blind)

#477CD4

Tritanopia (blue-blind)

#0093A0

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #557fd6;
/* rgb */ color: rgb(85, 127, 214);
/* oklch */ color: oklch(60.7% 0.141 263.4);

Tailwind

colors: {
  custom: {
    50: '#8fa3e3',
    500: '#557fd6',
    950: '#000000',
  },
}

SCSS

$custom: #557fd6;
$custom-light: #8fa3e3;
$custom-dark: #000000;

JSON

{
  "hex": "#557fd6",
  "rgb": {
    "r": 85,
    "g": 127,
    "b": 214
  },
  "hsl": {
    "h": 220.465,
    "s": 61.137,
    "l": 58.627
  },
  "oklch": {
    "l": 0.60728,
    "c": 0.14063,
    "h": 263.4
  },
  "luminance": 0.21965
}

Semantic roles & 50–950 ramp

primary

#557FD6

secondary

#DDCCAA

accent

#B044E4

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #557FD6

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

Preview Lab → · Contrast checker → · Palette generator →