#366AAB#366AAB

#366AAB is a mid, moderate cyan. Relative luminance 0.140; OKLCH L 52.1% C 0.117 H 255.2°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#366AAB
RGB	rgb(54, 106, 171)
HSL	hsl(213, 52%, 44%)
HSV	hsv(213, 68%, 67%)
CMYK	cmyk(68.4%, 38%, 0%, 32.9%)
CIE-LAB	lab(44.28, 4.39, -39.89)
CIE-LCH	lch(44.28, 40.14, 276.28°)
OKLab	oklab(52.05% -0.0301 -0.1135)
OKLCH	oklch(52.05% 0.117 255.2)
XYZ	xyz(14.0234, 14.0312, 40.4894)
Luminance	0.1403 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#366AAB #AB7736

analogous

#36A5AB #366AAB #3C36AB

triadic

#366AAB #AB366A #6AAB36

tetradic

#366AAB #AB36A5 #AB7736 #36AB3C

square

#366AAB #AB36A5 #AB7736 #36AB3C

split-complementary

#366AAB #AB3C36 #A5AB36

monochromatic

#19304E #274D7C #366AAB #5589C9 #83A9D8

Accessibility & contrast

On white

5.52

#366AAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#366AAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #366AAB

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##366AAB	#FFFFFF	#000000	##FFFFFF
##366AAB	1.00	5.52	3.81	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D6FAE

Deuteranopia (green-blind)

#3C64AA

Tritanopia (blue-blind)

#007982

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #366aab;
/* rgb */ color: rgb(54, 106, 171);
/* oklch */ color: oklch(52.1% 0.117 255.2);

Tailwind

colors: {
  custom: {
    50: '#7a94c4',
    500: '#366aab',
    950: '#000000',
  },
}

SCSS

$custom: #366aab;
$custom-light: #7a94c4;
$custom-dark: #000000;

JSON

{
  "hex": "#366aab",
  "rgb": {
    "r": 54,
    "g": 106,
    "b": 171
  },
  "hsl": {
    "h": 213.333,
    "s": 52,
    "l": 44.118
  },
  "oklch": {
    "l": 0.52051,
    "c": 0.11738,
    "h": 255.2
  },
  "luminance": 0.14033
}

Semantic roles & 50–950 ramp

primary

#366AAB

secondary

#C2A27B

accent

#9C4CDB

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #366AAB

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

Preview Lab → · Contrast checker → · Palette generator →