#357CBE#357CBE

#357CBE is a mid, vivid cyan. Relative luminance 0.189; OKLCH L 57.3% C 0.124 H 249.5°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#357CBE
RGB	rgb(53, 124, 190)
HSL	hsl(209, 56%, 48%)
HSV	hsv(209, 72%, 75%)
CMYK	cmyk(72.1%, 34.7%, 0%, 25.5%)
CIE-LAB	lab(50.56, 0.08, -40.98)
CIE-LCH	lch(50.56, 40.98, 270.11°)
OKLab	oklab(57.28% -0.0435 -0.1164)
OKLCH	oklch(57.28% 0.124 249.5)
XYZ	xyz(17.9666, 18.8879, 51.4041)
Luminance	0.1889 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357CBE #BE7735

analogous

#35BEBB #357CBE #3537BE

triadic

#357CBE #BE357C #7CBE35

tetradic

#357CBE #BB35BE #BE7735 #37BE35

square

#357CBE #BB35BE #BE7735 #37BE35

split-complementary

#357CBE #BE3537 #BEBB35

monochromatic

#1A3E5E #285D8E #357CBE #5E9AD2 #8EB8DF

Accessibility & contrast

On white

4.40

#357CBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#357CBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357CBE

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357CBE	#FFFFFF	#000000	##000000
##357CBE	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7FC1

Deuteranopia (green-blind)

#4A73BD

Tritanopia (blue-blind)

#008C94

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #357cbe;
/* rgb */ color: rgb(53, 124, 190);
/* oklch */ color: oklch(57.3% 0.124 249.5);

Tailwind

colors: {
  custom: {
    50: '#7da1d2',
    500: '#357cbe',
    950: '#000000',
  },
}

SCSS

$custom: #357cbe;
$custom-light: #7da1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#357cbe",
  "rgb": {
    "r": 53,
    "g": 124,
    "b": 190
  },
  "hsl": {
    "h": 208.905,
    "s": 56.379,
    "l": 47.647
  },
  "oklch": {
    "l": 0.57282,
    "c": 0.12426,
    "h": 249.5
  },
  "luminance": 0.1889
}

Semantic roles & 50–950 ramp

primary

#357CBE

secondary

#CAA685

accent

#9148E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #357CBE

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

Preview Lab → · Contrast checker → · Palette generator →