#23306E#23306E

#23306E is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.6% C 0.108 H 270.6°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#23306E
RGB	rgb(35, 48, 110)
HSL	hsl(230, 52%, 28%)
HSV	hsv(230, 68%, 43%)
CMYK	cmyk(68.2%, 56.4%, 0%, 56.9%)
CIE-LAB	lab(22.29, 16.69, -37.74)
CIE-LCH	lch(22.29, 41.26, 293.85°)
OKLab	oklab(33.64% 0.0011 -0.1084)
OKLCH	oklch(33.64% 0.108 270.6)
XYZ	xyz(4.5636, 3.5966, 15.2025)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23306E #6E6123

analogous

#23556E #23306E #3B236E

triadic

#23306E #6E2330 #306E23

tetradic

#23306E #6E2355 #6E6123 #236E3B

square

#23306E #6E2355 #6E6123 #236E3B

split-complementary

#23306E #6E3B23 #556E23

monochromatic

#070A17 #141C40 #23306E #32449C #475DC4

Accessibility & contrast

On white

12.21

#23306E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#23306E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23306E

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23306E	#FFFFFF	#000000	##FFFFFF
##23306E	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#063970

Deuteranopia (green-blind)

#00326D

Tritanopia (blue-blind)

#003F4A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #23306e;
/* rgb */ color: rgb(35, 48, 110);
/* oklch */ color: oklch(33.6% 0.108 270.6);

Tailwind

colors: {
  custom: {
    50: '#676898',
    500: '#23306e',
    950: '#000000',
  },
}

SCSS

$custom: #23306e;
$custom-light: #676898;
$custom-dark: #000000;

JSON

{
  "hex": "#23306e",
  "rgb": {
    "r": 35,
    "g": 48,
    "b": 110
  },
  "hsl": {
    "h": 229.6,
    "s": 51.724,
    "l": 28.431
  },
  "oklch": {
    "l": 0.33641,
    "c": 0.10839,
    "h": 270.6
  },
  "luminance": 0.03597
}

Semantic roles & 50–950 ramp

primary

#23306E

secondary

#A1924C

accent

#C24DDB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #23306E

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

Preview Lab → · Contrast checker → · Palette generator →