#356BB1#356BB1

#356BB1 is a mid, vivid cyan. Relative luminance 0.144; OKLCH L 52.6% C 0.125 H 255.9°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#356BB1
RGB	rgb(53, 107, 177)
HSL	hsl(214, 54%, 45%)
HSV	hsv(214, 70%, 69%)
CMYK	cmyk(70.1%, 39.5%, 0%, 30.6%)
CIE-LAB	lab(44.86, 5.79, -42.48)
CIE-LCH	lch(44.86, 42.87, 277.76°)
OKLab	oklab(52.61% -0.0303 -0.121)
OKLCH	oklch(52.61% 0.125 255.9)
XYZ	xyz(14.6588, 14.4451, 43.6021)
Luminance	0.1445 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356BB1 #B17B35

analogous

#35A9B1 #356BB1 #3D35B1

triadic

#356BB1 #B1356B #6BB135

tetradic

#356BB1 #B135A9 #B17B35 #35B13D

square

#356BB1 #B135A9 #B17B35 #35B13D

split-complementary

#356BB1 #B13D35 #A9B135

monochromatic

#193253 #274F82 #356BB1 #578ACD #86ABDB

Accessibility & contrast

On white

5.40

#356BB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#356BB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356BB1

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356BB1	#FFFFFF	#000000	##FFFFFF
##356BB1	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B70B4

Deuteranopia (green-blind)

#3865B0

Tritanopia (blue-blind)

#007B85

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #356bb1;
/* rgb */ color: rgb(53, 107, 177);
/* oklch */ color: oklch(52.6% 0.125 255.9);

Tailwind

colors: {
  custom: {
    50: '#7b94c9',
    500: '#356bb1',
    950: '#000000',
  },
}

SCSS

$custom: #356bb1;
$custom-light: #7b94c9;
$custom-dark: #000000;

JSON

{
  "hex": "#356bb1",
  "rgb": {
    "r": 53,
    "g": 107,
    "b": 177
  },
  "hsl": {
    "h": 213.871,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52606,
    "c": 0.12477,
    "h": 255.9
  },
  "luminance": 0.14447
}

Semantic roles & 50–950 ramp

primary

#356BB1

secondary

#C4A57D

accent

#9D4BDD

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #356BB1

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

Preview Lab → · Contrast checker → · Palette generator →