#356AC9#356AC9

#356AC9 is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.0% C 0.158 H 261.0°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#356AC9
RGB	rgb(53, 106, 201)
HSL	hsl(219, 58%, 50%)
HSV	hsv(219, 74%, 79%)
CMYK	cmyk(73.6%, 47.3%, 0%, 21.2%)
CIE-LAB	lab(46.02, 15.29, -54.54)
CIE-LCH	lch(46.02, 56.64, 285.66°)
OKLab	oklab(53.96% -0.0248 -0.1565)
OKLCH	oklch(53.96% 0.158 261)
XYZ	xyz(17.1611, 15.2801, 57.2919)
Luminance	0.1528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356AC9 #C99435

analogous

#35B4C9 #356AC9 #4A35C9

triadic

#356AC9 #C9356A #6AC935

tetradic

#356AC9 #C935B4 #C99435 #35C94A

square

#356AC9 #C935B4 #C99435 #35C94A

split-complementary

#356AC9 #C94A35 #B4C935

monochromatic

#1B3768 #285099 #356AC9 #658DD6 #95B1E3

Accessibility & contrast

On white

5.18

#356AC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#356AC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356AC9

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356AC9	#FFFFFF	#000000	##FFFFFF
##356AC9	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3674CD

Deuteranopia (green-blind)

#0D67C7

Tritanopia (blue-blind)

#008090

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #356ac9;
/* rgb */ color: rgb(53, 106, 201);
/* oklch */ color: oklch(54.0% 0.158 261.0);

Tailwind

colors: {
  custom: {
    50: '#8094da',
    500: '#356ac9',
    950: '#000000',
  },
}

SCSS

$custom: #356ac9;
$custom-light: #8094da;
$custom-dark: #000000;

JSON

{
  "hex": "#356ac9",
  "rgb": {
    "r": 53,
    "g": 106,
    "b": 201
  },
  "hsl": {
    "h": 218.514,
    "s": 58.268,
    "l": 49.804
  },
  "oklch": {
    "l": 0.53959,
    "c": 0.15845,
    "h": 261
  },
  "luminance": 0.15282
}

Semantic roles & 50–950 ramp

primary

#356AC9

secondary

#CEB68B

accent

#AA46E1

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #356AC9

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

Preview Lab → · Contrast checker → · Palette generator →