#23407B#23407B

#23407B is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.3% C 0.106 H 262.7°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#23407B
RGB	rgb(35, 64, 123)
HSL	hsl(220, 56%, 31%)
HSV	hsv(220, 72%, 48%)
CMYK	cmyk(71.5%, 48%, 0%, 51.8%)
CIE-LAB	lab(27.99, 10.58, -36.82)
CIE-LCH	lch(27.99, 38.31, 286.03°)
OKLab	oklab(38.28% -0.0134 -0.1054)
OKLCH	oklch(38.28% 0.106 262.7)
XYZ	xyz(6.1004, 5.4536, 19.4662)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23407B #7B5E23

analogous

#236C7B #23407B #32237B

triadic

#23407B #7B2340 #407B23

tetradic

#23407B #7B236C #7B5E23 #237B32

square

#23407B #7B236C #7B5E23 #237B32

split-complementary

#23407B #7B3223 #6C7B23

monochromatic

#080E1C #15274B #23407B #3159AB #4C76CC

Accessibility & contrast

On white

10.04

#23407B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#23407B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23407B

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23407B	#FFFFFF	#000000	##FFFFFF
##23407B	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22467D

Deuteranopia (green-blind)

#103E7A

Tritanopia (blue-blind)

#004E57

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #23407b;
/* rgb */ color: rgb(35, 64, 123);
/* oklch */ color: oklch(38.3% 0.106 262.7);

Tailwind

colors: {
  custom: {
    50: '#6974a1',
    500: '#23407b',
    950: '#000000',
  },
}

SCSS

$custom: #23407b;
$custom-light: #6974a1;
$custom-dark: #000000;

JSON

{
  "hex": "#23407b",
  "rgb": {
    "r": 35,
    "g": 64,
    "b": 123
  },
  "hsl": {
    "h": 220.227,
    "s": 55.696,
    "l": 30.98
  },
  "oklch": {
    "l": 0.38275,
    "c": 0.10628,
    "h": 262.7
  },
  "luminance": 0.05454
}

Semantic roles & 50–950 ramp

primary

#23407B

secondary

#AE8D4C

accent

#AE49DF

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #23407B

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

Preview Lab → · Contrast checker → · Palette generator →