#243171#243171

#243171 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.2% C 0.111 H 270.8°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#243171
RGB	rgb(36, 49, 113)
HSL	hsl(230, 52%, 29%)
HSV	hsv(230, 68%, 44%)
CMYK	cmyk(68.1%, 56.6%, 0%, 55.7%)
CIE-LAB	lab(22.87, 17.33, -38.72)
CIE-LCH	lch(22.87, 42.42, 294.11°)
OKLab	oklab(34.17% 0.0015 -0.1112)
OKLCH	oklch(34.17% 0.111 270.8)
XYZ	xyz(4.8055, 3.7635, 16.0928)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243171 #716424

analogous

#245871 #243171 #3E2471

triadic

#243171 #712431 #317124

tetradic

#243171 #712458 #716424 #24713E

square

#243171 #712458 #716424 #24713E

split-complementary

#243171 #713E24 #587124

monochromatic

#070A17 #151D43 #243171 #33459F #4A5FC5

Accessibility & contrast

On white

11.98

#243171 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#243171 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243171

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243171	#FFFFFF	#000000	##FFFFFF
##243171	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#043A73

Deuteranopia (green-blind)

#003370

Tritanopia (blue-blind)

#00404C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #243171;
/* rgb */ color: rgb(36, 49, 113);
/* oklch */ color: oklch(34.2% 0.111 270.8);

Tailwind

colors: {
  custom: {
    50: '#68689a',
    500: '#243171',
    950: '#000000',
  },
}

SCSS

$custom: #243171;
$custom-light: #68689a;
$custom-dark: #000000;

JSON

{
  "hex": "#243171",
  "rgb": {
    "r": 36,
    "g": 49,
    "b": 113
  },
  "hsl": {
    "h": 229.87,
    "s": 51.678,
    "l": 29.216
  },
  "oklch": {
    "l": 0.3417,
    "c": 0.11124,
    "h": 270.8
  },
  "luminance": 0.03764
}

Semantic roles & 50–950 ramp

primary

#243171

secondary

#A4954D

accent

#C34DDB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #243171

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

Preview Lab → · Contrast checker → · Palette generator →