#23397E#23397E

#23397E is a dark, vivid blue. Relative luminance 0.048; OKLCH L 36.9% C 0.120 H 267.0°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#23397E
RGB	rgb(35, 57, 126)
HSL	hsl(225, 57%, 32%)
HSV	hsv(225, 72%, 49%)
CMYK	cmyk(72.2%, 54.8%, 0%, 50.6%)
CIE-LAB	lab(26.13, 16.63, -41.71)
CIE-LCH	lch(26.13, 44.91, 291.74°)
OKLab	oklab(36.92% -0.0063 -0.1199)
OKLCH	oklch(36.92% 0.12 267)
XYZ	xyz(5.9209, 4.7893, 20.3470)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23397E #7E6823

analogous

#23677E #23397E #3B237E

triadic

#23397E #7E2339 #397E23

tetradic

#23397E #7E2367 #7E6823 #237E3B

square

#23397E #7E2367 #7E6823 #237E3B

split-complementary

#23397E #7E3B23 #677E23

monochromatic

#080E1E #16234E #23397E #304FAE #4E6DCE

Accessibility & contrast

On white

10.73

#23397E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#23397E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23397E

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23397E	#FFFFFF	#000000	##FFFFFF
##23397E	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#094280

Deuteranopia (green-blind)

#003A7D

Tritanopia (blue-blind)

#004A55

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #23397e;
/* rgb */ color: rgb(35, 57, 126);
/* oklch */ color: oklch(36.9% 0.120 267.0);

Tailwind

colors: {
  custom: {
    50: '#6a6fa4',
    500: '#23397e',
    950: '#000000',
  },
}

SCSS

$custom: #23397e;
$custom-light: #6a6fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#23397e",
  "rgb": {
    "r": 35,
    "g": 57,
    "b": 126
  },
  "hsl": {
    "h": 225.495,
    "s": 56.522,
    "l": 31.569
  },
  "oklch": {
    "l": 0.36923,
    "c": 0.1201,
    "h": 267
  },
  "luminance": 0.0479
}

Semantic roles & 50–950 ramp

primary

#23397E

secondary

#B0984C

accent

#BB48E0

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #23397E

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

Preview Lab → · Contrast checker → · Palette generator →