#366DAB#366DAB

#366DAB is a mid, moderate cyan. Relative luminance 0.147; OKLCH L 52.7% C 0.114 H 253.1°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#366DAB
RGB	rgb(54, 109, 171)
HSL	hsl(212, 52%, 44%)
HSV	hsv(212, 68%, 67%)
CMYK	cmyk(68.4%, 36.3%, 0%, 32.9%)
CIE-LAB	lab(45.17, 2.52, -38.49)
CIE-LCH	lch(45.17, 38.57, 273.75°)
OKLab	oklab(52.74% -0.0331 -0.1093)
OKLCH	oklch(52.74% 0.114 253.1)
XYZ	xyz(14.3379, 14.6603, 40.5943)
Luminance	0.1466 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366DAB #AB7436

analogous

#36A8AB #366DAB #3A36AB

triadic

#366DAB #AB366D #6DAB36

tetradic

#366DAB #AB36A8 #AB7436 #36AB3A

square

#366DAB #AB36A8 #AB7436 #36AB3A

split-complementary

#366DAB #AB3A36 #A8AB36

monochromatic

#19324E #274F7C #366DAB #558CC9 #83ABD8

Accessibility & contrast

On white

5.34

#366DAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#366DAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366DAB

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366DAB	#FFFFFF	#000000	##FFFFFF
##366DAB	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5171AE

Deuteranopia (green-blind)

#4166AA

Tritanopia (blue-blind)

#007B84

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #366dab;
/* rgb */ color: rgb(54, 109, 171);
/* oklch */ color: oklch(52.7% 0.114 253.1);

Tailwind

colors: {
  custom: {
    50: '#7a96c4',
    500: '#366dab',
    950: '#000000',
  },
}

SCSS

$custom: #366dab;
$custom-light: #7a96c4;
$custom-dark: #000000;

JSON

{
  "hex": "#366dab",
  "rgb": {
    "r": 54,
    "g": 109,
    "b": 171
  },
  "hsl": {
    "h": 211.795,
    "s": 52,
    "l": 44.118
  },
  "oklch": {
    "l": 0.52744,
    "c": 0.11421,
    "h": 253.1
  },
  "luminance": 0.14662
}

Semantic roles & 50–950 ramp

primary

#366DAB

secondary

#C2A17B

accent

#984CDB

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #366DAB

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

Preview Lab → · Contrast checker → · Palette generator →