#23336B#23336B

#23336B is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.1% C 0.100 H 268.7°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#23336B
RGB	rgb(35, 51, 107)
HSL	hsl(227, 51%, 28%)
HSV	hsv(227, 67%, 42%)
CMYK	cmyk(67.3%, 52.3%, 0%, 58%)
CIE-LAB	lab(22.95, 13.39, -34.74)
CIE-LCH	lch(22.95, 37.23, 291.08°)
OKLab	oklab(34.07% -0.0023 -0.0995)
OKLCH	oklch(34.07% 0.1 268.7)
XYZ	xyz(4.5299, 3.7861, 14.3991)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23336B #6B5B23

analogous

#23576B #23336B #37236B

triadic

#23336B #6B2333 #336B23

tetradic

#23336B #6B2357 #6B5B23 #236B37

square

#23336B #6B2357 #6B5B23 #236B37

split-complementary

#23336B #6B3723 #576B23

monochromatic

#080B17 #141D3D #23336B #324999 #4662C2

Accessibility & contrast

On white

11.95

#23336B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#23336B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23336B

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23336B	#FFFFFF	#000000	##FFFFFF
##23336B	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153A6D

Deuteranopia (green-blind)

#04346A

Tritanopia (blue-blind)

#00404A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #23336b;
/* rgb */ color: rgb(35, 51, 107);
/* oklch */ color: oklch(34.1% 0.100 268.7);

Tailwind

colors: {
  custom: {
    50: '#666a96',
    500: '#23336b',
    950: '#000000',
  },
}

SCSS

$custom: #23336b;
$custom-light: #666a96;
$custom-dark: #000000;

JSON

{
  "hex": "#23336b",
  "rgb": {
    "r": 35,
    "g": 51,
    "b": 107
  },
  "hsl": {
    "h": 226.667,
    "s": 50.704,
    "l": 27.843
  },
  "oklch": {
    "l": 0.34069,
    "c": 0.09954,
    "h": 268.7
  },
  "luminance": 0.03787
}

Semantic roles & 50–950 ramp

primary

#23336B

secondary

#9E8C4B

accent

#BB4EDA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #23336B

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

Preview Lab → · Contrast checker → · Palette generator →