#2437AF#2437AF

#2437AF is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.1% C 0.190 H 268.7°. Best body text is #FFFFFF at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#2437AF
RGB	rgb(36, 55, 175)
HSL	hsl(232, 66%, 41%)
HSV	hsv(232, 79%, 69%)
CMYK	cmyk(79.4%, 68.6%, 0%, 31.4%)
CIE-LAB	lab(29.92, 36.78, -65.53)
CIE-LCH	lch(29.92, 75.14, 299.30°)
OKLab	oklab(41.06% -0.0043 -0.1898)
OKLCH	oklch(41.06% 0.19 268.7)
XYZ	xyz(9.8289, 6.2015, 41.2281)
Luminance	0.0620 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.68

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2437AF #AF9C24

analogous

#247DAF #2437AF #5724AF

triadic

#2437AF #AF2437 #37AF24

tetradic

#2437AF #AF247D #AF9C24 #24AF57

square

#2437AF #AF247D #AF9C24 #24AF57

split-complementary

#2437AF #AF5724 #7DAF24

monochromatic

#0F1749 #1A277C #2437AF #3A4FD6 #6D7CE1

Accessibility & contrast

On white

9.37

#2437AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2437AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2437AF

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2437AF	#FFFFFF	#000000	##FFFFFF
##2437AF	1.00	9.37	2.24	9.37
#FFFFFF	9.37	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB3

Deuteranopia (green-blind)

#0040AD

Tritanopia (blue-blind)

#00586E

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2437af;
/* rgb */ color: rgb(36, 55, 175);
/* oklch */ color: oklch(41.1% 0.190 268.7);

Tailwind

colors: {
  custom: {
    50: '#776ec8',
    500: '#2437af',
    950: '#000000',
  },
}

SCSS

$custom: #2437af;
$custom-light: #776ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#2437af",
  "rgb": {
    "r": 36,
    "g": 55,
    "b": 175
  },
  "hsl": {
    "h": 231.799,
    "s": 65.877,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41061,
    "c": 0.18981,
    "h": 268.7
  },
  "luminance": 0.06203
}

Semantic roles & 50–950 ramp

primary

#2437AF

secondary

#C7BA68

accent

#D23FE9

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2437AF

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

Preview Lab → · Contrast checker → · Palette generator →