#23397A#23397A

#23397A is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.6% C 0.114 H 266.6°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#23397A
RGB	rgb(35, 57, 122)
HSL	hsl(225, 55%, 31%)
HSV	hsv(225, 71%, 48%)
CMYK	cmyk(71.3%, 53.3%, 0%, 52.2%)
CIE-LAB	lab(25.83, 15.05, -39.67)
CIE-LCH	lch(25.83, 42.43, 290.78°)
OKLab	oklab(36.6% -0.0067 -0.1139)
OKLCH	oklch(36.6% 0.114 266.6)
XYZ	xyz(5.6679, 4.6882, 19.0148)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23397A #7A6423

analogous

#23647A #23397A #39237A

triadic

#23397A #7A2339 #397A23

tetradic

#23397A #7A2364 #7A6423 #237A39

square

#23397A #7A2364 #7A6423 #237A39

split-complementary

#23397A #7A3923 #647A23

monochromatic

#080D1B #15234A #23397A #314FAA #4C6CCC

Accessibility & contrast

On white

10.84

#23397A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#23397A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23397A

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23397A	#FFFFFF	#000000	##FFFFFF
##23397A	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11417C

Deuteranopia (green-blind)

#003979

Tritanopia (blue-blind)

#004853

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #23397a;
/* rgb */ color: rgb(35, 57, 122);
/* oklch */ color: oklch(36.6% 0.114 266.6);

Tailwind

colors: {
  custom: {
    50: '#696ea1',
    500: '#23397a',
    950: '#000000',
  },
}

SCSS

$custom: #23397a;
$custom-light: #696ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#23397a",
  "rgb": {
    "r": 35,
    "g": 57,
    "b": 122
  },
  "hsl": {
    "h": 224.828,
    "s": 55.414,
    "l": 30.784
  },
  "oklch": {
    "l": 0.36602,
    "c": 0.11414,
    "h": 266.6
  },
  "luminance": 0.04689
}

Semantic roles & 50–950 ramp

primary

#23397A

secondary

#AD944C

accent

#B949DF

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070F

muted

#7A7A7E

Preview Lab

Preview with #23397A

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

Preview Lab → · Contrast checker → · Palette generator →