#356CC9#356CC9

#356CC9 is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.4% C 0.156 H 260.2°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#356CC9
RGB	rgb(53, 108, 201)
HSL	hsl(218, 58%, 50%)
HSV	hsv(218, 74%, 79%)
CMYK	cmyk(73.6%, 46.3%, 0%, 21.2%)
CIE-LAB	lab(46.57, 14.02, -53.64)
CIE-LCH	lch(46.57, 55.44, 284.65°)
OKLab	oklab(54.39% -0.0265 -0.1538)
OKLCH	oklch(54.39% 0.156 260.2)
XYZ	xyz(17.3696, 15.6971, 57.3614)
Luminance	0.1570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356CC9 #C99235

analogous

#35B6C9 #356CC9 #4835C9

triadic

#356CC9 #C9356C #6CC935

tetradic

#356CC9 #C935B6 #C99235 #35C948

square

#356CC9 #C935B6 #C99235 #35C948

split-complementary

#356CC9 #C94835 #B6C935

monochromatic

#1B3868 #285299 #356CC9 #658FD6 #95B2E3

Accessibility & contrast

On white

5.07

#356CC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#356CC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356CC9

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356CC9	#FFFFFF	#000000	##FFFFFF
##356CC9	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B76CC

Deuteranopia (green-blind)

#1868C7

Tritanopia (blue-blind)

#008291

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #356cc9;
/* rgb */ color: rgb(53, 108, 201);
/* oklch */ color: oklch(54.4% 0.156 260.2);

Tailwind

colors: {
  custom: {
    50: '#7f95da',
    500: '#356cc9',
    950: '#000000',
  },
}

SCSS

$custom: #356cc9;
$custom-light: #7f95da;
$custom-dark: #000000;

JSON

{
  "hex": "#356cc9",
  "rgb": {
    "r": 53,
    "g": 108,
    "b": 201
  },
  "hsl": {
    "h": 217.703,
    "s": 58.268,
    "l": 49.804
  },
  "oklch": {
    "l": 0.54389,
    "c": 0.15608,
    "h": 260.2
  },
  "luminance": 0.15699
}

Semantic roles & 50–950 ramp

primary

#356CC9

secondary

#CEB58B

accent

#A846E1

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #356CC9

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

Preview Lab → · Contrast checker → · Palette generator →