#36397B#36397B

#36397B is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.9% C 0.110 H 277.8°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#36397B
RGB	rgb(54, 57, 123)
HSL	hsl(237, 39%, 35%)
HSV	hsv(237, 56%, 48%)
CMYK	cmyk(56.1%, 53.7%, 0%, 51.8%)
CIE-LAB	lab(27.13, 19.17, -38.14)
CIE-LCH	lch(27.13, 42.69, 296.69°)
OKLab	oklab(37.93% 0.015 -0.1089)
OKLCH	oklch(37.93% 0.11 277.8)
XYZ	xyz(6.5585, 5.1402, 19.3816)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#36397B #7B7836

analogous

#365C7B #36397B #55367B

triadic

#36397B #7B3639 #397B36

tetradic

#36397B #7B365C #7B7836 #367B55

square

#36397B #7B365C #7B7836 #367B55

split-complementary

#36397B #7B5536 #5C7B36

monochromatic

#111226 #232550 #36397B #494DA6 #6D70BF

Accessibility & contrast

On white

10.35

#36397B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#36397B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #36397B

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##36397B	#FFFFFF	#000000	##FFFFFF
##36397B	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16437D

Deuteranopia (green-blind)

#0C3D7A

Tritanopia (blue-blind)

#164854

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #36397b;
/* rgb */ color: rgb(54, 57, 123);
/* oklch */ color: oklch(37.9% 0.110 277.8);

Tailwind

colors: {
  custom: {
    50: '#736fa2',
    500: '#36397b',
    950: '#000000',
  },
}

SCSS

$custom: #36397b;
$custom-light: #736fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#36397b",
  "rgb": {
    "r": 54,
    "g": 57,
    "b": 123
  },
  "hsl": {
    "h": 237.391,
    "s": 38.983,
    "l": 34.706
  },
  "oklch": {
    "l": 0.37934,
    "c": 0.10997,
    "h": 277.8
  },
  "luminance": 0.05141
}

Semantic roles & 50–950 ramp

primary

#36397B

secondary

#A7A465

accent

#CA59CF

background

#F7F6FA

surface

#EDECF3

border

#C8C7CD

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #36397B

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

Preview Lab → · Contrast checker → · Palette generator →