#366BAF#366BAF

#366BAF is a mid, vivid cyan. Relative luminance 0.144; OKLCH L 52.5% C 0.122 H 255.7°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#366BAF
RGB	rgb(54, 107, 175)
HSL	hsl(214, 53%, 45%)
HSV	hsv(214, 69%, 69%)
CMYK	cmyk(69.1%, 38.9%, 0%, 31.4%)
CIE-LAB	lab(44.79, 5.22, -41.42)
CIE-LCH	lch(44.79, 41.75, 277.18°)
OKLab	oklab(52.52% -0.0301 -0.1179)
OKLCH	oklch(52.52% 0.122 255.7)
XYZ	xyz(14.5141, 14.3933, 42.5624)
Luminance	0.1439 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366BAF #AF7A36

analogous

#36A7AF #366BAF #3E36AF

triadic

#366BAF #AF366B #6BAF36

tetradic

#366BAF #AF36A7 #AF7A36 #36AF3E

square

#366BAF #AF36A7 #AF7A36 #36AF3E

split-complementary

#366BAF #AF3E36 #A7AF36

monochromatic

#193251 #284E80 #366BAF #578ACB #86ABDA

Accessibility & contrast

On white

5.41

#366BAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#366BAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366BAF

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366BAF	#FFFFFF	#000000	##FFFFFF
##366BAF	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C70B2

Deuteranopia (green-blind)

#3A65AE

Tritanopia (blue-blind)

#007B84

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #366baf;
/* rgb */ color: rgb(54, 107, 175);
/* oklch */ color: oklch(52.5% 0.122 255.7);

Tailwind

colors: {
  custom: {
    50: '#7b94c7',
    500: '#366baf',
    950: '#000000',
  },
}

SCSS

$custom: #366baf;
$custom-light: #7b94c7;
$custom-dark: #000000;

JSON

{
  "hex": "#366baf",
  "rgb": {
    "r": 54,
    "g": 107,
    "b": 175
  },
  "hsl": {
    "h": 213.719,
    "s": 52.838,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52523,
    "c": 0.12171,
    "h": 255.7
  },
  "luminance": 0.14395
}

Semantic roles & 50–950 ramp

primary

#366BAF

secondary

#C3A57D

accent

#9D4CDC

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #366BAF

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

Preview Lab → · Contrast checker → · Palette generator →