#357CB8#357CB8

#357CB8 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.9% C 0.117 H 247.2°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#357CB8
RGB	rgb(53, 124, 184)
HSL	hsl(207, 55%, 46%)
HSV	hsv(207, 71%, 72%)
CMYK	cmyk(71.2%, 32.6%, 0%, 27.8%)
CIE-LAB	lab(50.25, -2.08, -38.01)
CIE-LCH	lch(50.25, 38.07, 266.87°)
OKLab	oklab(56.95% -0.0452 -0.1077)
OKLCH	oklch(56.95% 0.117 247.2)
XYZ	xyz(17.3243, 18.6310, 48.0212)
Luminance	0.1863 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357CB8 #B87135

analogous

#35B8B3 #357CB8 #353BB8

triadic

#357CB8 #B8357C #7CB835

tetradic

#357CB8 #B335B8 #B87135 #3BB835

square

#357CB8 #B335B8 #B87135 #3BB835

split-complementary

#357CB8 #B8353B #B8B335

monochromatic

#1A3C59 #275C88 #357CB8 #5B9AD0 #8AB7DD

Accessibility & contrast

On white

4.44

#357CB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#357CB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357CB8

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357CB8	#FFFFFF	#000000	##000000
##357CB8	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#617EBB

Deuteranopia (green-blind)

#4F72B7

Tritanopia (blue-blind)

#008A91

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #357cb8;
/* rgb */ color: rgb(53, 124, 184);
/* oklch */ color: oklch(56.9% 0.117 247.2);

Tailwind

colors: {
  custom: {
    50: '#7ca1cd',
    500: '#357cb8',
    950: '#000000',
  },
}

SCSS

$custom: #357cb8;
$custom-light: #7ca1cd;
$custom-dark: #000000;

JSON

{
  "hex": "#357cb8",
  "rgb": {
    "r": 53,
    "g": 124,
    "b": 184
  },
  "hsl": {
    "h": 207.481,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.56945,
    "c": 0.11683,
    "h": 247.2
  },
  "luminance": 0.18633
}

Semantic roles & 50–950 ramp

primary

#357CB8

secondary

#C7A181

accent

#8E49DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #357CB8

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

Preview Lab → · Contrast checker → · Palette generator →