#356DB2#356DB2

#356DB2 is a mid, vivid cyan. Relative luminance 0.149; OKLCH L 53.1% C 0.124 H 255.0°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#356DB2
RGB	rgb(53, 109, 178)
HSL	hsl(213, 54%, 45%)
HSV	hsv(213, 70%, 70%)
CMYK	cmyk(70.2%, 38.8%, 0%, 30.2%)
CIE-LAB	lab(45.51, 4.91, -42.04)
CIE-LCH	lch(45.51, 42.33, 276.66°)
OKLab	oklab(53.12% -0.0321 -0.1197)
OKLCH	oklch(53.12% 0.124 255)
XYZ	xyz(14.9698, 14.9069, 44.1992)
Luminance	0.1491 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356DB2 #B27A35

analogous

#35ACB2 #356DB2 #3B35B2

triadic

#356DB2 #B2356D #6DB235

tetradic

#356DB2 #B235AC #B27A35 #35B23B

square

#356DB2 #B235AC #B27A35 #35B23B

split-complementary

#356DB2 #B23B35 #ACB235

monochromatic

#193354 #275083 #356DB2 #578CCD #86ACDB

Accessibility & contrast

On white

5.27

#356DB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#356DB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356DB2

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356DB2	#FFFFFF	#000000	##FFFFFF
##356DB2	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D72B5

Deuteranopia (green-blind)

#3B66B1

Tritanopia (blue-blind)

#007D87

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #356db2;
/* rgb */ color: rgb(53, 109, 178);
/* oklch */ color: oklch(53.1% 0.124 255.0);

Tailwind

colors: {
  custom: {
    50: '#7b96c9',
    500: '#356db2',
    950: '#000000',
  },
}

SCSS

$custom: #356db2;
$custom-light: #7b96c9;
$custom-dark: #000000;

JSON

{
  "hex": "#356db2",
  "rgb": {
    "r": 53,
    "g": 109,
    "b": 178
  },
  "hsl": {
    "h": 213.12,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.53124,
    "c": 0.12394,
    "h": 255
  },
  "luminance": 0.14909
}

Semantic roles & 50–950 ramp

primary

#356DB2

secondary

#C5A57E

accent

#9C4ADD

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #356DB2

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

Preview Lab → · Contrast checker → · Palette generator →