#23387F#23387F

#23387F is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.8% C 0.123 H 267.5°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#23387F
RGB	rgb(35, 56, 127)
HSL	hsl(226, 57%, 32%)
HSV	hsv(226, 72%, 50%)
CMYK	cmyk(72.4%, 55.9%, 0%, 50.2%)
CIE-LAB	lab(25.91, 17.72, -42.68)
CIE-LCH	lch(25.91, 46.22, 292.55°)
OKLab	oklab(36.79% -0.0053 -0.1228)
OKLCH	oklch(36.79% 0.123 267.5)
XYZ	xyz(5.9367, 4.7174, 20.6722)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23387F #7F6A23

analogous

#23667F #23387F #3C237F

triadic

#23387F #7F2338 #387F23

tetradic

#23387F #7F2366 #7F6A23 #237F3C

square

#23387F #7F2366 #7F6A23 #237F3C

split-complementary

#23387F #7F3C23 #667F23

monochromatic

#090E1F #16234F #23387F #304DAF #4E6BCE

Accessibility & contrast

On white

10.80

#23387F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#23387F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23387F

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23387F	#FFFFFF	#000000	##FFFFFF
##23387F	1.00	10.80	1.94	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#024281

Deuteranopia (green-blind)

#00397E

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #23387f;
/* rgb */ color: rgb(35, 56, 127);
/* oklch */ color: oklch(36.8% 0.123 267.5);

Tailwind

colors: {
  custom: {
    50: '#6b6ea5',
    500: '#23387f',
    950: '#000000',
  },
}

SCSS

$custom: #23387f;
$custom-light: #6b6ea5;
$custom-dark: #000000;

JSON

{
  "hex": "#23387f",
  "rgb": {
    "r": 35,
    "g": 56,
    "b": 127
  },
  "hsl": {
    "h": 226.304,
    "s": 56.79,
    "l": 31.765
  },
  "oklch": {
    "l": 0.36788,
    "c": 0.12292,
    "h": 267.5
  },
  "luminance": 0.04718
}

Semantic roles & 50–950 ramp

primary

#23387F

secondary

#B19A4C

accent

#BD48E0

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #23387F

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

Preview Lab → · Contrast checker → · Palette generator →