#243571#243571

#243571 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.1% C 0.106 H 268.6°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#243571
RGB	rgb(36, 53, 113)
HSL	hsl(227, 52%, 29%)
HSV	hsv(227, 68%, 44%)
CMYK	cmyk(68.1%, 53.1%, 0%, 55.7%)
CIE-LAB	lab(24.04, 14.51, -36.83)
CIE-LCH	lch(24.04, 39.59, 291.50°)
OKLab	oklab(35.05% -0.0026 -0.1056)
OKLCH	oklch(35.05% 0.106 268.6)
XYZ	xyz(4.9803, 4.1131, 16.1510)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243571 #716024

analogous

#245C71 #243571 #3A2471

triadic

#243571 #712435 #357124

tetradic

#243571 #71245C #716024 #24713A

square

#243571 #71245C #716024 #24713A

split-complementary

#243571 #713A24 #5C7124

monochromatic

#070B17 #151F43 #243571 #334B9F #4A65C5

Accessibility & contrast

On white

11.52

#243571 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#243571 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243571

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243571	#FFFFFF	#000000	##FFFFFF
##243571	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#133D73

Deuteranopia (green-blind)

#003670

Tritanopia (blue-blind)

#00434D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #243571;
/* rgb */ color: rgb(36, 53, 113);
/* oklch */ color: oklch(35.1% 0.106 268.6);

Tailwind

colors: {
  custom: {
    50: '#686b9a',
    500: '#243571',
    950: '#000000',
  },
}

SCSS

$custom: #243571;
$custom-light: #686b9a;
$custom-dark: #000000;

JSON

{
  "hex": "#243571",
  "rgb": {
    "r": 36,
    "g": 53,
    "b": 113
  },
  "hsl": {
    "h": 226.753,
    "s": 51.678,
    "l": 29.216
  },
  "oklch": {
    "l": 0.35052,
    "c": 0.10565,
    "h": 268.6
  },
  "luminance": 0.04114
}

Semantic roles & 50–950 ramp

primary

#243571

secondary

#A4914D

accent

#BC4DDB

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #243571

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

Preview Lab → · Contrast checker → · Palette generator →