#23306C#23306C

#23306C is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.5% C 0.105 H 270.5°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#23306C
RGB	rgb(35, 48, 108)
HSL	hsl(229, 51%, 28%)
HSV	hsv(229, 68%, 42%)
CMYK	cmyk(67.6%, 55.6%, 0%, 57.6%)
CIE-LAB	lab(22.14, 15.91, -36.70)
CIE-LCH	lch(22.14, 40.00, 293.43°)
OKLab	oklab(33.48% 0.001 -0.1053)
OKLCH	oklch(33.48% 0.105 270.5)
XYZ	xyz(4.4559, 3.5535, 14.6355)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23306C #6C5F23

analogous

#23546C #23306C #3A236C

triadic

#23306C #6C2330 #306C23

tetradic

#23306C #6C2354 #6C5F23 #236C3A

square

#23306C #6C2354 #6C5F23 #236C3A

split-complementary

#23306C #6C3A23 #546C23

monochromatic

#070A17 #141B3E #23306C #32459A #465DC3

Accessibility & contrast

On white

12.27

#23306C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#23306C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23306C

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23306C	#FFFFFF	#000000	##FFFFFF
##23306C	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A386E

Deuteranopia (green-blind)

#00326B

Tritanopia (blue-blind)

#003E49

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #23306c;
/* rgb */ color: rgb(35, 48, 108);
/* oklch */ color: oklch(33.5% 0.105 270.5);

Tailwind

colors: {
  custom: {
    50: '#676897',
    500: '#23306c',
    950: '#000000',
  },
}

SCSS

$custom: #23306c;
$custom-light: #676897;
$custom-dark: #000000;

JSON

{
  "hex": "#23306c",
  "rgb": {
    "r": 35,
    "g": 48,
    "b": 108
  },
  "hsl": {
    "h": 229.315,
    "s": 51.049,
    "l": 28.039
  },
  "oklch": {
    "l": 0.33476,
    "c": 0.10532,
    "h": 270.5
  },
  "luminance": 0.03554
}

Semantic roles & 50–950 ramp

primary

#23306C

secondary

#9F904B

accent

#C14DDB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #23306C

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

Preview Lab → · Contrast checker → · Palette generator →