#356CBE#356CBE

#356CBE is a mid, vivid blue. Relative luminance 0.152; OKLCH L 53.7% C 0.141 H 258.4°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#356CBE
RGB	rgb(53, 108, 190)
HSL	hsl(216, 56%, 48%)
HSV	hsv(216, 72%, 75%)
CMYK	cmyk(72.1%, 43.2%, 0%, 25.5%)
CIE-LAB	lab(45.90, 9.95, -48.38)
CIE-LCH	lch(45.90, 49.39, 281.62°)
OKLab	oklab(53.66% -0.0285 -0.1383)
OKLCH	oklch(53.66% 0.141 258.4)
XYZ	xyz(16.1216, 15.1980, 50.7891)
Luminance	0.1520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356CBE #BE8735

analogous

#35B1BE #356CBE #4235BE

triadic

#356CBE #BE356C #6CBE35

tetradic

#356CBE #BE35B1 #BE8735 #35BE42

square

#356CBE #BE35B1 #BE8735 #35BE42

split-complementary

#356CBE #BE4235 #B1BE35

monochromatic

#1A365E #28518E #356CBE #5E8DD2 #8EAFDF

Accessibility & contrast

On white

5.20

#356CBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#356CBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356CBE

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356CBE	#FFFFFF	#000000	##FFFFFF
##356CBE	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4474C1

Deuteranopia (green-blind)

#2C67BC

Tritanopia (blue-blind)

#007F8C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #356cbe;
/* rgb */ color: rgb(53, 108, 190);
/* oklch */ color: oklch(53.7% 0.141 258.4);

Tailwind

colors: {
  custom: {
    50: '#7d95d2',
    500: '#356cbe',
    950: '#000000',
  },
}

SCSS

$custom: #356cbe;
$custom-light: #7d95d2;
$custom-dark: #000000;

JSON

{
  "hex": "#356cbe",
  "rgb": {
    "r": 53,
    "g": 108,
    "b": 190
  },
  "hsl": {
    "h": 215.912,
    "s": 56.379,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53656,
    "c": 0.14124,
    "h": 258.4
  },
  "luminance": 0.152
}

Semantic roles & 50–950 ramp

primary

#356CBE

secondary

#CAAE85

accent

#A348E0

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #356CBE

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

Preview Lab → · Contrast checker → · Palette generator →