#366FA7#366FA7

#366FA7 is a mid, moderate cyan. Relative luminance 0.149; OKLCH L 53.0% C 0.107 H 250.2°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#366FA7
RGB	rgb(54, 111, 167)
HSL	hsl(210, 51%, 43%)
HSV	hsv(210, 68%, 65%)
CMYK	cmyk(67.7%, 33.5%, 0%, 34.5%)
CIE-LAB	lab(45.55, -0.15, -35.53)
CIE-LCH	lch(45.55, 35.53, 269.76°)
OKLab	oklab(52.98% -0.0363 -0.1006)
OKLCH	oklch(52.98% 0.107 250.2)
XYZ	xyz(14.1782, 14.9417, 38.6886)
Luminance	0.1494 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366FA7 #A76E36

analogous

#36A7A6 #366FA7 #3636A7

triadic

#366FA7 #A7366F #6FA736

tetradic

#366FA7 #A636A7 #A76E36 #36A736

square

#366FA7 #A636A7 #A76E36 #36A736

split-complementary

#366FA7 #A73636 #A7A636

monochromatic

#18324B #275079 #366FA7 #538EC7 #81ACD6

Accessibility & contrast

On white

5.27

#366FA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#366FA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366FA7

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366FA7	#FFFFFF	#000000	##FFFFFF
##366FA7	1.00	5.27	3.99	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5672A9

Deuteranopia (green-blind)

#4767A6

Tritanopia (blue-blind)

#007C83

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #366fa7;
/* rgb */ color: rgb(54, 111, 167);
/* oklch */ color: oklch(53.0% 0.107 250.2);

Tailwind

colors: {
  custom: {
    50: '#7998c1',
    500: '#366fa7',
    950: '#000000',
  },
}

SCSS

$custom: #366fa7;
$custom-light: #7998c1;
$custom-dark: #000000;

JSON

{
  "hex": "#366fa7",
  "rgb": {
    "r": 54,
    "g": 111,
    "b": 167
  },
  "hsl": {
    "h": 209.735,
    "s": 51.131,
    "l": 43.333
  },
  "oklch": {
    "l": 0.52981,
    "c": 0.10698,
    "h": 250.2
  },
  "luminance": 0.14943
}

Semantic roles & 50–950 ramp

primary

#366FA7

secondary

#C09C79

accent

#934DDB

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #366FA7

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

Preview Lab → · Contrast checker → · Palette generator →