#357BA8#357BA8

#357BA8 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.9% C 0.099 H 240.1°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#357BA8
RGB	rgb(53, 123, 168)
HSL	hsl(203, 52%, 43%)
HSV	hsv(203, 68%, 66%)
CMYK	cmyk(68.5%, 26.8%, 0%, 34.1%)
CIE-LAB	lab(49.19, -7.14, -30.41)
CIE-LCH	lch(49.19, 31.24, 256.80°)
OKLab	oklab(55.85% -0.0492 -0.0857)
OKLCH	oklch(55.85% 0.099 240.1)
XYZ	xyz(15.6163, 17.7483, 39.6410)
Luminance	0.1775 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357BA8 #A86235

analogous

#35A89B #357BA8 #3542A8

triadic

#357BA8 #A8357B #7BA835

tetradic

#357BA8 #9B35A8 #A86235 #42A835

square

#357BA8 #9B35A8 #A86235 #42A835

split-complementary

#357BA8 #A83542 #A89B35

monochromatic

#18374B #265979 #357BA8 #529AC8 #80B5D7

Accessibility & contrast

On white

4.62

#357BA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#357BA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #357BA8

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357BA8	#FFFFFF	#000000	##FFFFFF
##357BA8	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667BAA

Deuteranopia (green-blind)

#5770A7

Tritanopia (blue-blind)

#00868A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #357ba8;
/* rgb */ color: rgb(53, 123, 168);
/* oklch */ color: oklch(55.9% 0.099 240.1);

Tailwind

colors: {
  custom: {
    50: '#79a1c2',
    500: '#357ba8',
    950: '#000000',
  },
}

SCSS

$custom: #357ba8;
$custom-light: #79a1c2;
$custom-dark: #000000;

JSON

{
  "hex": "#357ba8",
  "rgb": {
    "r": 53,
    "g": 123,
    "b": 168
  },
  "hsl": {
    "h": 203.478,
    "s": 52.036,
    "l": 43.333
  },
  "oklch": {
    "l": 0.55854,
    "c": 0.0988,
    "h": 240.1
  },
  "luminance": 0.1775
}

Semantic roles & 50–950 ramp

primary

#357BA8

secondary

#C09578

accent

#844CDB

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #357BA8

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

Preview Lab → · Contrast checker → · Palette generator →