#23397F#23397F

#23397F is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.0% C 0.122 H 267.1°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#23397F
RGB	rgb(35, 57, 127)
HSL	hsl(226, 57%, 32%)
HSV	hsv(226, 72%, 50%)
CMYK	cmyk(72.4%, 55.1%, 0%, 50.2%)
CIE-LAB	lab(26.20, 17.02, -42.22)
CIE-LCH	lch(26.20, 45.52, 291.96°)
OKLab	oklab(37% -0.0062 -0.1214)
OKLCH	oklch(37% 0.122 267.1)
XYZ	xyz(5.9857, 4.8153, 20.6885)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23397F #7F6923

analogous

#23677F #23397F #3B237F

triadic

#23397F #7F2339 #397F23

tetradic

#23397F #7F2367 #7F6923 #237F3B

square

#23397F #7F2367 #7F6923 #237F3B

split-complementary

#23397F #7F3B23 #677F23

monochromatic

#090E1F #16234F #23397F #304FAF #4E6DCE

Accessibility & contrast

On white

10.70

#23397F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#23397F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23397F

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23397F	#FFFFFF	#000000	##FFFFFF
##23397F	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#074281

Deuteranopia (green-blind)

#003A7E

Tritanopia (blue-blind)

#004A56

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #23397f;
/* rgb */ color: rgb(35, 57, 127);
/* oklch */ color: oklch(37.0% 0.122 267.1);

Tailwind

colors: {
  custom: {
    50: '#6b6fa5',
    500: '#23397f',
    950: '#000000',
  },
}

SCSS

$custom: #23397f;
$custom-light: #6b6fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#23397f",
  "rgb": {
    "r": 35,
    "g": 57,
    "b": 127
  },
  "hsl": {
    "h": 225.652,
    "s": 56.79,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37005,
    "c": 0.12158,
    "h": 267.1
  },
  "luminance": 0.04816
}

Semantic roles & 50–950 ramp

primary

#23397F

secondary

#B1994C

accent

#BC48E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #23397F

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

Preview Lab → · Contrast checker → · Palette generator →