#356DB5#356DB5

#356DB5 is a mid, vivid cyan. Relative luminance 0.150; OKLCH L 53.3% C 0.128 H 255.8°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#356DB5
RGB	rgb(53, 109, 181)
HSL	hsl(214, 55%, 46%)
HSV	hsv(214, 71%, 71%)
CMYK	cmyk(70.7%, 39.8%, 0%, 29%)
CIE-LAB	lab(45.67, 6.00, -43.52)
CIE-LCH	lch(45.67, 43.93, 277.86°)
OKLab	oklab(53.31% -0.0314 -0.1241)
OKLCH	oklch(53.31% 0.128 255.8)
XYZ	xyz(15.2743, 15.0287, 45.8030)
Luminance	0.1503 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356DB5 #B57D35

analogous

#35ADB5 #356DB5 #3D35B5

triadic

#356DB5 #B5356D #6DB535

tetradic

#356DB5 #B535AD #B57D35 #35B53D

square

#356DB5 #B535AD #B57D35 #35B53D

split-complementary

#356DB5 #B53D35 #ADB535

monochromatic

#193456 #275086 #356DB5 #598CCE #88ADDC

Accessibility & contrast

On white

5.24

#356DB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#356DB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356DB5

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356DB5	#FFFFFF	#000000	##FFFFFF
##356DB5	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C73B8

Deuteranopia (green-blind)

#3867B4

Tritanopia (blue-blind)

#007E88

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #356db5;
/* rgb */ color: rgb(53, 109, 181);
/* oklch */ color: oklch(53.3% 0.128 255.8);

Tailwind

colors: {
  custom: {
    50: '#7c96cb',
    500: '#356db5',
    950: '#000000',
  },
}

SCSS

$custom: #356db5;
$custom-light: #7c96cb;
$custom-dark: #000000;

JSON

{
  "hex": "#356db5",
  "rgb": {
    "r": 53,
    "g": 109,
    "b": 181
  },
  "hsl": {
    "h": 213.75,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.53308,
    "c": 0.12797,
    "h": 255.8
  },
  "luminance": 0.1503
}

Semantic roles & 50–950 ramp

primary

#356DB5

secondary

#C6A780

accent

#9D4ADE

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #356DB5

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

Preview Lab → · Contrast checker → · Palette generator →