#23387C#23387C

#23387C is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.5% C 0.118 H 267.3°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#23387C
RGB	rgb(35, 56, 124)
HSL	hsl(226, 56%, 31%)
HSV	hsv(226, 72%, 49%)
CMYK	cmyk(71.8%, 54.8%, 0%, 51.4%)
CIE-LAB	lab(25.68, 16.54, -41.17)
CIE-LCH	lch(25.68, 44.37, 291.89°)
OKLab	oklab(36.54% -0.0055 -0.1183)
OKLCH	oklch(36.54% 0.118 267.3)
XYZ	xyz(5.7441, 4.6403, 19.6578)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23387C #7C6723

analogous

#23647C #23387C #3A237C

triadic

#23387C #7C2338 #387C23

tetradic

#23387C #7C2364 #7C6723 #237C3A

square

#23387C #7C2364 #7C6723 #237C3A

split-complementary

#23387C #7C3A23 #647C23

monochromatic

#080D1D #16224C #23387C #304EAC #4D6BCD

Accessibility & contrast

On white

10.89

#23387C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#23387C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23387C

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23387C	#FFFFFF	#000000	##FFFFFF
##23387C	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A417E

Deuteranopia (green-blind)

#00397B

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #23387c;
/* rgb */ color: rgb(35, 56, 124);
/* oklch */ color: oklch(36.5% 0.118 267.3);

Tailwind

colors: {
  custom: {
    50: '#6a6ea2',
    500: '#23387c',
    950: '#000000',
  },
}

SCSS

$custom: #23387c;
$custom-light: #6a6ea2;
$custom-dark: #000000;

JSON

{
  "hex": "#23387c",
  "rgb": {
    "r": 35,
    "g": 56,
    "b": 124
  },
  "hsl": {
    "h": 225.843,
    "s": 55.975,
    "l": 31.176
  },
  "oklch": {
    "l": 0.36542,
    "c": 0.11848,
    "h": 267.3
  },
  "luminance": 0.04641
}

Semantic roles & 50–950 ramp

primary

#23387C

secondary

#AF974C

accent

#BC49DF

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #23387C

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

Preview Lab → · Contrast checker → · Palette generator →