#357BBA#357BBA

#357BBA is a mid, vivid cyan. Relative luminance 0.185; OKLCH L 56.8% C 0.120 H 248.7°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#357BBA
RGB	rgb(53, 123, 186)
HSL	hsl(208, 56%, 47%)
HSV	hsv(208, 72%, 73%)
CMYK	cmyk(71.5%, 33.9%, 0%, 27.1%)
CIE-LAB	lab(50.06, -0.76, -39.47)
CIE-LCH	lch(50.06, 39.48, 268.89°)
OKLab	oklab(56.82% -0.0436 -0.112)
OKLCH	oklch(56.82% 0.12 248.7)
XYZ	xyz(17.4107, 18.4661, 49.0916)
Luminance	0.1847 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357BBA #BA7435

analogous

#35BAB7 #357BBA #3538BA

triadic

#357BBA #BA357B #7BBA35

tetradic

#357BBA #B735BA #BA7435 #38BA35

square

#357BBA #B735BA #BA7435 #38BA35

split-complementary

#357BBA #BA3538 #BAB735

monochromatic

#1A3C5B #275C8A #357BBA #5C99D0 #8BB7DE

Accessibility & contrast

On white

4.47

#357BBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#357BBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357BBA

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357BBA	#FFFFFF	#000000	##000000
##357BBA	1.00	4.47	4.69	4.69
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7EBD

Deuteranopia (green-blind)

#4C71B9

Tritanopia (blue-blind)

#008A92

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #357bba;
/* rgb */ color: rgb(53, 123, 186);
/* oklch */ color: oklch(56.8% 0.120 248.7);

Tailwind

colors: {
  custom: {
    50: '#7ca0cf',
    500: '#357bba',
    950: '#000000',
  },
}

SCSS

$custom: #357bba;
$custom-light: #7ca0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#357bba",
  "rgb": {
    "r": 53,
    "g": 123,
    "b": 186
  },
  "hsl": {
    "h": 208.421,
    "s": 55.649,
    "l": 46.863
  },
  "oklch": {
    "l": 0.56823,
    "c": 0.1202,
    "h": 248.7
  },
  "luminance": 0.18468
}

Semantic roles & 50–950 ramp

primary

#357BBA

secondary

#C8A482

accent

#9049DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #357BBA

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

Preview Lab → · Contrast checker → · Palette generator →