#357AAD#357AAD

#357AAD is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.9% C 0.105 H 243.8°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#357AAD
RGB	rgb(53, 122, 173)
HSL	hsl(206, 53%, 44%)
HSV	hsv(206, 69%, 68%)
CMYK	cmyk(69.4%, 29.5%, 0%, 32.2%)
CIE-LAB	lab(49.12, -4.80, -33.43)
CIE-LCH	lch(49.12, 33.77, 261.83°)
OKLab	oklab(55.88% -0.0465 -0.0944)
OKLCH	oklch(55.88% 0.105 243.8)
XYZ	xyz(15.9677, 17.6914, 42.1003)
Luminance	0.1769 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357AAD #AD6835

analogous

#35ADA4 #357AAD #353EAD

triadic

#357AAD #AD357A #7AAD35

tetradic

#357AAD #A435AD #AD6835 #3EAD35

square

#357AAD #A435AD #AD6835 #3EAD35

split-complementary

#357AAD #AD353E #ADA435

monochromatic

#18384F #27597E #357AAD #5498CB #83B5D9

Accessibility & contrast

On white

4.63

#357AAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#357AAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #357AAD

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357AAD	#FFFFFF	#000000	##FFFFFF
##357AAD	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#637BAF

Deuteranopia (green-blind)

#5270AC

Tritanopia (blue-blind)

#00868C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #357aad;
/* rgb */ color: rgb(53, 122, 173);
/* oklch */ color: oklch(55.9% 0.105 243.8);

Tailwind

colors: {
  custom: {
    50: '#7aa0c5',
    500: '#357aad',
    950: '#000000',
  },
}

SCSS

$custom: #357aad;
$custom-light: #7aa0c5;
$custom-dark: #000000;

JSON

{
  "hex": "#357aad",
  "rgb": {
    "r": 53,
    "g": 122,
    "b": 173
  },
  "hsl": {
    "h": 205.5,
    "s": 53.097,
    "l": 44.314
  },
  "oklch": {
    "l": 0.55876,
    "c": 0.10527,
    "h": 243.8
  },
  "luminance": 0.17693
}

Semantic roles & 50–950 ramp

primary

#357AAD

secondary

#C39A7B

accent

#894BDD

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #357AAD

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

Preview Lab → · Contrast checker → · Palette generator →