#356BB3#356BB3

#356BB3 is a mid, vivid cyan. Relative luminance 0.145; OKLCH L 52.7% C 0.127 H 256.4°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#356BB3
RGB	rgb(53, 107, 179)
HSL	hsl(214, 54%, 45%)
HSV	hsv(214, 70%, 70%)
CMYK	cmyk(70.4%, 40.2%, 0%, 29.8%)
CIE-LAB	lab(44.98, 6.52, -43.47)
CIE-LCH	lch(44.98, 43.95, 278.54°)
OKLab	oklab(52.73% -0.0299 -0.1239)
OKLCH	oklch(52.73% 0.127 256.4)
XYZ	xyz(14.8596, 14.5254, 44.6596)
Luminance	0.1453 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356BB3 #B37D35

analogous

#35AAB3 #356BB3 #3E35B3

triadic

#356BB3 #B3356B #6BB335

tetradic

#356BB3 #B335AA #B37D35 #35B33E

square

#356BB3 #B335AA #B37D35 #35B33E

split-complementary

#356BB3 #B33E35 #AAB335

monochromatic

#193355 #274F84 #356BB3 #588ACD #87ABDB

Accessibility & contrast

On white

5.38

#356BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#356BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356BB3

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356BB3	#FFFFFF	#000000	##FFFFFF
##356BB3	1.00	5.38	3.91	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A71B6

Deuteranopia (green-blind)

#3665B2

Tritanopia (blue-blind)

#007C86

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #356bb3;
/* rgb */ color: rgb(53, 107, 179);
/* oklch */ color: oklch(52.7% 0.127 256.4);

Tailwind

colors: {
  custom: {
    50: '#7b94ca',
    500: '#356bb3',
    950: '#000000',
  },
}

SCSS

$custom: #356bb3;
$custom-light: #7b94ca;
$custom-dark: #000000;

JSON

{
  "hex": "#356bb3",
  "rgb": {
    "r": 53,
    "g": 107,
    "b": 179
  },
  "hsl": {
    "h": 214.286,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.5273,
    "c": 0.12748,
    "h": 256.4
  },
  "luminance": 0.14527
}

Semantic roles & 50–950 ramp

primary

#356BB3

secondary

#C5A77F

accent

#9E4ADE

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #356BB3

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

Preview Lab → · Contrast checker → · Palette generator →