#23306D#23306D

#23306D is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.6% C 0.107 H 270.6°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#23306D
RGB	rgb(35, 48, 109)
HSL	hsl(229, 51%, 28%)
HSV	hsv(229, 68%, 43%)
CMYK	cmyk(67.9%, 56%, 0%, 57.3%)
CIE-LAB	lab(22.21, 16.30, -37.22)
CIE-LCH	lch(22.21, 40.63, 293.65°)
OKLab	oklab(33.56% 0.0011 -0.1068)
OKLCH	oklch(33.56% 0.107 270.6)
XYZ	xyz(4.5095, 3.5750, 14.9174)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23306D #6D6023

analogous

#23556D #23306D #3B236D

triadic

#23306D #6D2330 #306D23

tetradic

#23306D #6D2355 #6D6023 #236D3B

square

#23306D #6D2355 #6D6023 #236D3B

split-complementary

#23306D #6D3B23 #556D23

monochromatic

#070A17 #141C3F #23306D #32449B #475DC4

Accessibility & contrast

On white

12.24

#23306D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#23306D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23306D

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23306D	#FFFFFF	#000000	##FFFFFF
##23306D	1.00	12.24	1.72	12.24
#FFFFFF	12.24	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08396F

Deuteranopia (green-blind)

#00326C

Tritanopia (blue-blind)

#003E49

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #23306d;
/* rgb */ color: rgb(35, 48, 109);
/* oklch */ color: oklch(33.6% 0.107 270.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#23306d",
  "rgb": {
    "r": 35,
    "g": 48,
    "b": 109
  },
  "hsl": {
    "h": 229.459,
    "s": 51.389,
    "l": 28.235
  },
  "oklch": {
    "l": 0.33558,
    "c": 0.10686,
    "h": 270.6
  },
  "luminance": 0.03575
}

Semantic roles & 50–950 ramp

primary

#23306D

secondary

#A0914B

accent

#C24DDB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #23306D

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

Preview Lab → · Contrast checker → · Palette generator →