#356CBD#356CBD

#356CBD is a mid, vivid blue. Relative luminance 0.152; OKLCH L 53.6% C 0.140 H 258.2°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#356CBD
RGB	rgb(53, 108, 189)
HSL	hsl(216, 56%, 47%)
HSV	hsv(216, 72%, 74%)
CMYK	cmyk(72%, 42.9%, 0%, 25.9%)
CIE-LAB	lab(45.84, 9.58, -47.89)
CIE-LCH	lch(45.84, 48.84, 281.31°)
OKLab	oklab(53.59% -0.0287 -0.1369)
OKLCH	oklch(53.59% 0.14 258.2)
XYZ	xyz(16.0127, 15.1544, 50.2154)
Luminance	0.1516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356CBD #BD8635

analogous

#35B0BD #356CBD #4235BD

triadic

#356CBD #BD356C #6CBD35

tetradic

#356CBD #BD35B0 #BD8635 #35BD42

square

#356CBD #BD35B0 #BD8635 #35BD42

split-complementary

#356CBD #BD4235 #B0BD35

monochromatic

#1A355D #28518D #356CBD #5D8CD2 #8DAEDF

Accessibility & contrast

On white

5.21

#356CBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#356CBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356CBD

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356CBD	#FFFFFF	#000000	##FFFFFF
##356CBD	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4573C0

Deuteranopia (green-blind)

#2D67BB

Tritanopia (blue-blind)

#007F8B

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #356cbd;
/* rgb */ color: rgb(53, 108, 189);
/* oklch */ color: oklch(53.6% 0.140 258.2);

Tailwind

colors: {
  custom: {
    50: '#7d95d1',
    500: '#356cbd',
    950: '#000000',
  },
}

SCSS

$custom: #356cbd;
$custom-light: #7d95d1;
$custom-dark: #000000;

JSON

{
  "hex": "#356cbd",
  "rgb": {
    "r": 53,
    "g": 108,
    "b": 189
  },
  "hsl": {
    "h": 215.735,
    "s": 56.198,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53591,
    "c": 0.13988,
    "h": 258.2
  },
  "luminance": 0.15156
}

Semantic roles & 50–950 ramp

primary

#356CBD

secondary

#CAAE84

accent

#A248DF

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #356CBD

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

Preview Lab → · Contrast checker → · Palette generator →