#366DBA#366DBA

#366DBA is a mid, vivid blue. Relative luminance 0.153; OKLCH L 53.7% C 0.134 H 257.3°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#366DBA
RGB	rgb(54, 109, 186)
HSL	hsl(215, 55%, 47%)
HSV	hsv(215, 71%, 73%)
CMYK	cmyk(71%, 41.4%, 0%, 27.1%)
CIE-LAB	lab(45.99, 7.99, -45.91)
CIE-LCH	lch(45.99, 46.60, 279.87°)
OKLab	oklab(53.66% -0.0295 -0.1311)
OKLCH	oklch(53.66% 0.134 257.3)
XYZ	xyz(15.8497, 15.2650, 48.5560)
Luminance	0.1527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366DBA #BA8336

analogous

#36AFBA #366DBA #4136BA

triadic

#366DBA #BA366D #6DBA36

tetradic

#366DBA #BA36AF #BA8336 #36BA41

square

#366DBA #BA36AF #BA8336 #36BA41

split-complementary

#366DBA #BA4136 #AFBA36

monochromatic

#1A355B #28518B #366DBA #5D8DD0 #8DAEDE

Accessibility & contrast

On white

5.18

#366DBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#366DBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366DBA

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366DBA	#FFFFFF	#000000	##FFFFFF
##366DBA	1.00	5.18	4.05	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4974BD

Deuteranopia (green-blind)

#3367B8

Tritanopia (blue-blind)

#007F8A

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #366dba;
/* rgb */ color: rgb(54, 109, 186);
/* oklch */ color: oklch(53.7% 0.134 257.3);

Tailwind

colors: {
  custom: {
    50: '#7d96cf',
    500: '#366dba',
    950: '#000000',
  },
}

SCSS

$custom: #366dba;
$custom-light: #7d96cf;
$custom-dark: #000000;

JSON

{
  "hex": "#366dba",
  "rgb": {
    "r": 54,
    "g": 109,
    "b": 186
  },
  "hsl": {
    "h": 215,
    "s": 55,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53661,
    "c": 0.13435,
    "h": 257.3
  },
  "luminance": 0.15267
}

Semantic roles & 50–950 ramp

primary

#366DBA

secondary

#C8AC84

accent

#A049DE

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #366DBA

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

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