#23366B#23366B

#23366B is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.8% C 0.095 H 266.6°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#23366B
RGB	rgb(35, 54, 107)
HSL	hsl(224, 51%, 28%)
HSV	hsv(224, 67%, 42%)
CMYK	cmyk(67.3%, 49.5%, 0%, 58%)
CIE-LAB	lab(23.86, 11.27, -33.28)
CIE-LCH	lch(23.86, 35.14, 288.70°)
OKLab	oklab(34.76% -0.0056 -0.0952)
OKLCH	oklch(34.76% 0.095 266.6)
XYZ	xyz(4.6652, 4.0568, 14.4442)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23366B #6B5823

analogous

#235A6B #23366B #34236B

triadic

#23366B #6B2336 #366B23

tetradic

#23366B #6B235A #6B5823 #236B34

square

#23366B #6B235A #6B5823 #236B34

split-complementary

#23366B #6B3423 #5A6B23

monochromatic

#080C17 #141F3D #23366B #324D99 #4667C2

Accessibility & contrast

On white

11.59

#23366B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#23366B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23366B

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23366B	#FFFFFF	#000000	##FFFFFF
##23366B	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3C6D

Deuteranopia (green-blind)

#0E366A

Tritanopia (blue-blind)

#00424B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #23366b;
/* rgb */ color: rgb(35, 54, 107);
/* oklch */ color: oklch(34.8% 0.095 266.6);

Tailwind

colors: {
  custom: {
    50: '#666c96',
    500: '#23366b',
    950: '#000000',
  },
}

SCSS

$custom: #23366b;
$custom-light: #666c96;
$custom-dark: #000000;

JSON

{
  "hex": "#23366b",
  "rgb": {
    "r": 35,
    "g": 54,
    "b": 107
  },
  "hsl": {
    "h": 224.167,
    "s": 50.704,
    "l": 27.843
  },
  "oklch": {
    "l": 0.3476,
    "c": 0.09534,
    "h": 266.6
  },
  "luminance": 0.04057
}

Semantic roles & 50–950 ramp

primary

#23366B

secondary

#9E884B

accent

#B54EDA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #23366B

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

Preview Lab → · Contrast checker → · Palette generator →