#356DB1#356DB1

#356DB1 is a mid, vivid cyan. Relative luminance 0.149; OKLCH L 53.1% C 0.123 H 254.7°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#356DB1
RGB	rgb(53, 109, 177)
HSL	hsl(213, 54%, 45%)
HSV	hsv(213, 70%, 69%)
CMYK	cmyk(70.1%, 38.4%, 0%, 30.6%)
CIE-LAB	lab(45.45, 4.54, -41.55)
CIE-LCH	lch(45.45, 41.79, 276.24°)
OKLab	oklab(53.06% -0.0323 -0.1183)
OKLCH	oklch(53.06% 0.123 254.7)
XYZ	xyz(14.8697, 14.8669, 43.6724)
Luminance	0.1487 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356DB1 #B17935

analogous

#35ABB1 #356DB1 #3B35B1

triadic

#356DB1 #B1356D #6DB135

tetradic

#356DB1 #B135AB #B17935 #35B13B

square

#356DB1 #B135AB #B17935 #35B13B

split-complementary

#356DB1 #B13B35 #ABB135

monochromatic

#193353 #275082 #356DB1 #578CCD #86ACDB

Accessibility & contrast

On white

5.28

#356DB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#356DB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356DB1

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356DB1	#FFFFFF	#000000	##FFFFFF
##356DB1	1.00	5.28	3.97	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E72B4

Deuteranopia (green-blind)

#3C66B0

Tritanopia (blue-blind)

#007D86

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #356db1;
/* rgb */ color: rgb(53, 109, 177);
/* oklch */ color: oklch(53.1% 0.123 254.7);

Tailwind

colors: {
  custom: {
    50: '#7b96c9',
    500: '#356db1',
    950: '#000000',
  },
}

SCSS

$custom: #356db1;
$custom-light: #7b96c9;
$custom-dark: #000000;

JSON

{
  "hex": "#356db1",
  "rgb": {
    "r": 53,
    "g": 109,
    "b": 177
  },
  "hsl": {
    "h": 212.903,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53063,
    "c": 0.1226,
    "h": 254.7
  },
  "luminance": 0.14868
}

Semantic roles & 50–950 ramp

primary

#356DB1

secondary

#C4A47D

accent

#9B4BDD

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #356DB1

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

Preview Lab → · Contrast checker → · Palette generator →