#356BB8#356BB8

#356BB8 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.0% C 0.134 H 257.6°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#356BB8
RGB	rgb(53, 107, 184)
HSL	hsl(215, 55%, 46%)
HSV	hsv(215, 71%, 72%)
CMYK	cmyk(71.2%, 41.8%, 0%, 27.8%)
CIE-LAB	lab(45.26, 8.36, -45.92)
CIE-LCH	lch(45.26, 46.68, 280.32°)
OKLab	oklab(53.05% -0.0288 -0.1311)
OKLCH	oklch(53.05% 0.134 257.6)
XYZ	xyz(15.3745, 14.7313, 47.3713)
Luminance	0.1473 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356BB8 #B88235

analogous

#35ADB8 #356BB8 #4135B8

triadic

#356BB8 #B8356B #6BB835

tetradic

#356BB8 #B835AD #B88235 #35B841

square

#356BB8 #B835AD #B88235 #35B841

split-complementary

#356BB8 #B84135 #ADB835

monochromatic

#1A3459 #274F88 #356BB8 #5B8BD0 #8AACDD

Accessibility & contrast

On white

5.32

#356BB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#356BB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356BB8

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356BB8	#FFFFFF	#000000	##FFFFFF
##356BB8	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4672BB

Deuteranopia (green-blind)

#3166B6

Tritanopia (blue-blind)

#007D88

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #356bb8;
/* rgb */ color: rgb(53, 107, 184);
/* oklch */ color: oklch(53.0% 0.134 257.6);

Tailwind

colors: {
  custom: {
    50: '#7c94ce',
    500: '#356bb8',
    950: '#000000',
  },
}

SCSS

$custom: #356bb8;
$custom-light: #7c94ce;
$custom-dark: #000000;

JSON

{
  "hex": "#356bb8",
  "rgb": {
    "r": 53,
    "g": 107,
    "b": 184
  },
  "hsl": {
    "h": 215.267,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.53046,
    "c": 0.13426,
    "h": 257.6
  },
  "luminance": 0.14733
}

Semantic roles & 50–950 ramp

primary

#356BB8

secondary

#C7AB81

accent

#A149DF

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #356BB8

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

Preview Lab → · Contrast checker → · Palette generator →