#243173#243173

#243173 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.3% C 0.114 H 270.8°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#243173
RGB	rgb(36, 49, 115)
HSL	hsl(230, 52%, 30%)
HSV	hsv(230, 69%, 45%)
CMYK	cmyk(68.7%, 57.4%, 0%, 54.9%)
CIE-LAB	lab(23.03, 18.10, -39.75)
CIE-LCH	lch(23.03, 43.67, 294.48°)
OKLab	oklab(34.34% 0.0016 -0.1143)
OKLCH	oklch(34.34% 0.114 270.8)
XYZ	xyz(4.9193, 3.8091, 16.6923)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243173 #736624

analogous

#245873 #243173 #3F2473

triadic

#243173 #732431 #317324

tetradic

#243173 #732458 #736624 #24733F

square

#243173 #732458 #736624 #24733F

split-complementary

#243173 #733F24 #587324

monochromatic

#070A17 #151D44 #243173 #3345A2 #4B5FC7

Accessibility & contrast

On white

11.92

#243173 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#243173 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243173

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243173	#FFFFFF	#000000	##FFFFFF
##243173	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B75

Deuteranopia (green-blind)

#003472

Tritanopia (blue-blind)

#00414D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #243173;
/* rgb */ color: rgb(36, 49, 115);
/* oklch */ color: oklch(34.3% 0.114 270.8);

Tailwind

colors: {
  custom: {
    50: '#69689c',
    500: '#243173',
    950: '#000000',
  },
}

SCSS

$custom: #243173;
$custom-light: #69689c;
$custom-dark: #000000;

JSON

{
  "hex": "#243173",
  "rgb": {
    "r": 36,
    "g": 49,
    "b": 115
  },
  "hsl": {
    "h": 230.127,
    "s": 52.318,
    "l": 29.608
  },
  "oklch": {
    "l": 0.34337,
    "c": 0.11427,
    "h": 270.8
  },
  "luminance": 0.03809
}

Semantic roles & 50–950 ramp

primary

#243173

secondary

#A6974D

accent

#C44CDC

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #243173

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

Preview Lab → · Contrast checker → · Palette generator →