#357DB5#357DB5

#357DB5 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.0% C 0.112 H 245.2°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#357DB5
RGB	rgb(53, 125, 181)
HSL	hsl(206, 55%, 46%)
HSV	hsv(206, 71%, 71%)
CMYK	cmyk(70.7%, 30.9%, 0%, 29%)
CIE-LAB	lab(50.40, -3.74, -36.04)
CIE-LCH	lch(50.40, 36.24, 264.07°)
OKLab	oklab(57.02% -0.0471 -0.102)
OKLCH	oklch(57.02% 0.112 245.2)
XYZ	xyz(17.1391, 18.7584, 46.4246)
Luminance	0.1876 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357DB5 #B56D35

analogous

#35B5AD #357DB5 #353DB5

triadic

#357DB5 #B5357D #7DB535

tetradic

#357DB5 #AD35B5 #B56D35 #3DB535

square

#357DB5 #AD35B5 #B56D35 #3DB535

split-complementary

#357DB5 #B5353D #B5AD35

monochromatic

#193C56 #275C86 #357DB5 #599BCE #88B7DC

Accessibility & contrast

On white

4.42

#357DB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#357DB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357DB5

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357DB5	#FFFFFF	#000000	##000000
##357DB5	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647FB7

Deuteranopia (green-blind)

#5272B4

Tritanopia (blue-blind)

#008B91

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #357db5;
/* rgb */ color: rgb(53, 125, 181);
/* oklch */ color: oklch(57.0% 0.112 245.2);

Tailwind

colors: {
  custom: {
    50: '#7ca2cb',
    500: '#357db5',
    950: '#000000',
  },
}

SCSS

$custom: #357db5;
$custom-light: #7ca2cb;
$custom-dark: #000000;

JSON

{
  "hex": "#357db5",
  "rgb": {
    "r": 53,
    "g": 125,
    "b": 181
  },
  "hsl": {
    "h": 206.25,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.57015,
    "c": 0.11234,
    "h": 245.2
  },
  "luminance": 0.1876
}

Semantic roles & 50–950 ramp

primary

#357DB5

secondary

#C69E80

accent

#8B4ADE

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #357DB5

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

Preview Lab → · Contrast checker → · Palette generator →