#23306F#23306F

#23306F is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.7% C 0.110 H 270.6°. Best body text is #FFFFFF at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#23306F
RGB	rgb(35, 48, 111)
HSL	hsl(230, 52%, 29%)
HSV	hsv(230, 68%, 44%)
CMYK	cmyk(68.5%, 56.8%, 0%, 56.5%)
CIE-LAB	lab(22.37, 17.08, -38.26)
CIE-LCH	lch(22.37, 41.89, 294.05°)
OKLab	oklab(33.72% 0.0012 -0.1099)
OKLCH	oklch(33.72% 0.11 270.6)
XYZ	xyz(4.6184, 3.6185, 15.4909)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23306F #6F6223

analogous

#23566F #23306F #3C236F

triadic

#23306F #6F2330 #306F23

tetradic

#23306F #6F2356 #6F6223 #236F3C

square

#23306F #6F2356 #6F6223 #236F3C

split-complementary

#23306F #6F3C23 #566F23

monochromatic

#070A17 #141C40 #23306F #32449E #475DC5

Accessibility & contrast

On white

12.18

#23306F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#23306F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23306F

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23306F	#FFFFFF	#000000	##FFFFFF
##23306F	1.00	12.18	1.72	12.18
#FFFFFF	12.18	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#043971

Deuteranopia (green-blind)

#00326E

Tritanopia (blue-blind)

#003F4A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #23306f;
/* rgb */ color: rgb(35, 48, 111);
/* oklch */ color: oklch(33.7% 0.110 270.6);

Tailwind

colors: {
  custom: {
    50: '#676899',
    500: '#23306f',
    950: '#000000',
  },
}

SCSS

$custom: #23306f;
$custom-light: #676899;
$custom-dark: #000000;

JSON

{
  "hex": "#23306f",
  "rgb": {
    "r": 35,
    "g": 48,
    "b": 111
  },
  "hsl": {
    "h": 229.737,
    "s": 52.055,
    "l": 28.627
  },
  "oklch": {
    "l": 0.33724,
    "c": 0.10992,
    "h": 270.6
  },
  "luminance": 0.03619
}

Semantic roles & 50–950 ramp

primary

#23306F

secondary

#A2934C

accent

#C34CDB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #23306F

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

Preview Lab → · Contrast checker → · Palette generator →