#356BB5#356BB5

#356BB5 is a mid, vivid cyan. Relative luminance 0.146; OKLCH L 52.9% C 0.130 H 256.9°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#356BB5
RGB	rgb(53, 107, 181)
HSL	hsl(215, 55%, 46%)
HSV	hsv(215, 71%, 71%)
CMYK	cmyk(70.7%, 40.9%, 0%, 29%)
CIE-LAB	lab(45.09, 7.26, -44.45)
CIE-LCH	lch(45.09, 45.04, 279.27°)
OKLab	oklab(52.86% -0.0294 -0.1268)
OKLCH	oklch(52.86% 0.13 256.9)
XYZ	xyz(15.0633, 14.6069, 45.7326)
Luminance	0.1461 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356BB5 #B57F35

analogous

#35ABB5 #356BB5 #3F35B5

triadic

#356BB5 #B5356B #6BB535

tetradic

#356BB5 #B535AB #B57F35 #35B53F

square

#356BB5 #B535AB #B57F35 #35B53F

split-complementary

#356BB5 #B53F35 #ABB535

monochromatic

#193356 #274F86 #356BB5 #598ACE #88ACDC

Accessibility & contrast

On white

5.35

#356BB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#356BB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356BB5

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356BB5	#FFFFFF	#000000	##FFFFFF
##356BB5	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4871B8

Deuteranopia (green-blind)

#3465B3

Tritanopia (blue-blind)

#007C87

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #356bb5;
/* rgb */ color: rgb(53, 107, 181);
/* oklch */ color: oklch(52.9% 0.130 256.9);

Tailwind

colors: {
  custom: {
    50: '#7c94cb',
    500: '#356bb5',
    950: '#000000',
  },
}

SCSS

$custom: #356bb5;
$custom-light: #7c94cb;
$custom-dark: #000000;

JSON

{
  "hex": "#356bb5",
  "rgb": {
    "r": 53,
    "g": 107,
    "b": 181
  },
  "hsl": {
    "h": 214.688,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52855,
    "c": 0.13019,
    "h": 256.9
  },
  "luminance": 0.14608
}

Semantic roles & 50–950 ramp

primary

#356BB5

secondary

#C6A880

accent

#9F4ADE

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #356BB5

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

Preview Lab → · Contrast checker → · Palette generator →