#2737AF#2737AF

#2737AF is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.2% C 0.189 H 269.6°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#2737AF
RGB	rgb(39, 55, 175)
HSL	hsl(233, 64%, 42%)
HSV	hsv(233, 78%, 69%)
CMYK	cmyk(77.7%, 68.6%, 0%, 31.4%)
CIE-LAB	lab(30.05, 37.05, -65.29)
CIE-LCH	lch(30.05, 75.07, 299.57°)
OKLab	oklab(41.2% -0.0015 -0.189)
OKLCH	oklch(41.2% 0.189 269.6)
XYZ	xyz(9.9381, 6.2578, 41.2332)
Luminance	0.0626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2737AF #AF9F27

analogous

#277BAF #2737AF #5B27AF

triadic

#2737AF #AF2737 #37AF27

tetradic

#2737AF #AF277B #AF9F27 #27AF5B

square

#2737AF #AF277B #AF9F27 #27AF5B

split-complementary

#2737AF #AF5B27 #7BAF27

monochromatic

#11184B #1C277D #2737AF #3F51D4 #717EDF

Accessibility & contrast

On white

9.33

#2737AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2737AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2737AF

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2737AF	#FFFFFF	#000000	##FFFFFF
##2737AF	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB3

Deuteranopia (green-blind)

#0040AD

Tritanopia (blue-blind)

#00586E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2737af;
/* rgb */ color: rgb(39, 55, 175);
/* oklch */ color: oklch(41.2% 0.189 269.6);

Tailwind

colors: {
  custom: {
    50: '#786ec8',
    500: '#2737af',
    950: '#000000',
  },
}

SCSS

$custom: #2737af;
$custom-light: #786ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#2737af",
  "rgb": {
    "r": 39,
    "g": 55,
    "b": 175
  },
  "hsl": {
    "h": 232.941,
    "s": 63.551,
    "l": 41.961
  },
  "oklch": {
    "l": 0.412,
    "c": 0.18903,
    "h": 269.6
  },
  "luminance": 0.06259
}

Semantic roles & 50–950 ramp

primary

#2737AF

secondary

#C6BC6B

accent

#D341E7

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2737AF

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

Preview Lab → · Contrast checker → · Palette generator →