#356BC9#356BC9

#356BC9 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.2% C 0.157 H 260.6°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#356BC9
RGB	rgb(53, 107, 201)
HSL	hsl(218, 58%, 50%)
HSV	hsv(218, 74%, 79%)
CMYK	cmyk(73.6%, 46.8%, 0%, 21.2%)
CIE-LAB	lab(46.29, 14.66, -54.09)
CIE-LCH	lch(46.29, 56.04, 285.16°)
OKLab	oklab(54.17% -0.0256 -0.1552)
OKLCH	oklch(54.17% 0.157 260.6)
XYZ	xyz(17.2647, 15.4874, 57.3265)
Luminance	0.1549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356BC9 #C99335

analogous

#35B5C9 #356BC9 #4935C9

triadic

#356BC9 #C9356B #6BC935

tetradic

#356BC9 #C935B5 #C99335 #35C949

square

#356BC9 #C935B5 #C99335 #35C949

split-complementary

#356BC9 #C94935 #B5C935

monochromatic

#1B3768 #285199 #356BC9 #658ED6 #95B2E3

Accessibility & contrast

On white

5.12

#356BC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#356BC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356BC9

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356BC9	#FFFFFF	#000000	##FFFFFF
##356BC9	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3975CD

Deuteranopia (green-blind)

#1367C7

Tritanopia (blue-blind)

#008190

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #356bc9;
/* rgb */ color: rgb(53, 107, 201);
/* oklch */ color: oklch(54.2% 0.157 260.6);

Tailwind

colors: {
  custom: {
    50: '#8094da',
    500: '#356bc9',
    950: '#000000',
  },
}

SCSS

$custom: #356bc9;
$custom-light: #8094da;
$custom-dark: #000000;

JSON

{
  "hex": "#356bc9",
  "rgb": {
    "r": 53,
    "g": 107,
    "b": 201
  },
  "hsl": {
    "h": 218.108,
    "s": 58.268,
    "l": 49.804
  },
  "oklch": {
    "l": 0.54174,
    "c": 0.15726,
    "h": 260.6
  },
  "luminance": 0.15489
}

Semantic roles & 50–950 ramp

primary

#356BC9

secondary

#CEB68B

accent

#A946E1

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #356BC9

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

Preview Lab → · Contrast checker → · Palette generator →