#356CBF#356CBF

#356CBF is a mid, vivid blue. Relative luminance 0.152; OKLCH L 53.7% C 0.143 H 258.6°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#356CBF
RGB	rgb(53, 108, 191)
HSL	hsl(216, 57%, 48%)
HSV	hsv(216, 72%, 75%)
CMYK	cmyk(72.3%, 43.5%, 0%, 25.1%)
CIE-LAB	lab(45.96, 10.32, -48.86)
CIE-LCH	lch(45.96, 49.94, 281.92°)
OKLab	oklab(53.72% -0.0283 -0.1398)
OKLCH	oklch(53.72% 0.143 258.6)
XYZ	xyz(16.2313, 15.2418, 51.3667)
Luminance	0.1524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356CBF #BF8835

analogous

#35B1BF #356CBF #4335BF

triadic

#356CBF #BF356C #6CBF35

tetradic

#356CBF #BF35B1 #BF8835 #35BF43

square

#356CBF #BF35B1 #BF8835 #35BF43

split-complementary

#356CBF #BF4335 #B1BF35

monochromatic

#1A365F #28518F #356CBF #5F8DD3 #8FAFE0

Accessibility & contrast

On white

5.19

#356CBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#356CBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356CBF

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356CBF	#FFFFFF	#000000	##FFFFFF
##356CBF	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4374C2

Deuteranopia (green-blind)

#2A67BD

Tritanopia (blue-blind)

#007F8C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #356cbf;
/* rgb */ color: rgb(53, 108, 191);
/* oklch */ color: oklch(53.7% 0.143 258.6);

Tailwind

colors: {
  custom: {
    50: '#7d95d3',
    500: '#356cbf',
    950: '#000000',
  },
}

SCSS

$custom: #356cbf;
$custom-light: #7d95d3;
$custom-dark: #000000;

JSON

{
  "hex": "#356cbf",
  "rgb": {
    "r": 53,
    "g": 108,
    "b": 191
  },
  "hsl": {
    "h": 216.087,
    "s": 56.557,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53721,
    "c": 0.14259,
    "h": 258.6
  },
  "luminance": 0.15244
}

Semantic roles & 50–950 ramp

primary

#356CBF

secondary

#CAAF85

accent

#A348E0

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #356CBF

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

Preview Lab → · Contrast checker → · Palette generator →