#356ECE#356ECE

#356ECE is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.2% C 0.160 H 260.2°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#356ECE
RGB	rgb(53, 110, 206)
HSL	hsl(218, 61%, 51%)
HSV	hsv(218, 74%, 81%)
CMYK	cmyk(74.3%, 46.6%, 0%, 19.2%)
CIE-LAB	lab(47.45, 14.61, -55.10)
CIE-LCH	lch(47.45, 57.01, 284.85°)
OKLab	oklab(55.16% -0.0273 -0.1581)
OKLCH	oklch(55.16% 0.16 260.2)
XYZ	xyz(18.1807, 16.3629, 60.5807)
Luminance	0.1636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#356ECE #CE9535

analogous

#35BACE #356ECE #4835CE

triadic

#356ECE #CE356E #6ECE35

tetradic

#356ECE #CE35BA #CE9535 #35CE48

square

#356ECE #CE35BA #CE9535 #35CE48

split-complementary

#356ECE #CE4835 #BACE35

monochromatic

#1B3A6E #27549F #356ECE #6691DA #98B5E6

Accessibility & contrast

On white

4.91

#356ECE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#356ECE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356ECE

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##356ECE	#FFFFFF	#000000	##FFFFFF
##356ECE	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B78D2

Deuteranopia (green-blind)

#136ACC

Tritanopia (blue-blind)

#008594

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #356ece;
/* rgb */ color: rgb(53, 110, 206);
/* oklch */ color: oklch(55.2% 0.160 260.2);

Tailwind

colors: {
  custom: {
    50: '#8097dd',
    500: '#356ece',
    950: '#000000',
  },
}

SCSS

$custom: #356ece;
$custom-light: #8097dd;
$custom-dark: #000000;

JSON

{
  "hex": "#356ece",
  "rgb": {
    "r": 53,
    "g": 110,
    "b": 206
  },
  "hsl": {
    "h": 217.647,
    "s": 60.956,
    "l": 50.784
  },
  "oklch": {
    "l": 0.55161,
    "c": 0.16043,
    "h": 260.2
  },
  "luminance": 0.16365
}

Semantic roles & 50–950 ramp

primary

#356ECE

secondary

#D1B88D

accent

#A844E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #356ECE

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

Preview Lab → · Contrast checker → · Palette generator →