#2737AE#2737AE

#2737AE is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.1% C 0.188 H 269.6°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#2737AE
RGB	rgb(39, 55, 174)
HSL	hsl(233, 63%, 42%)
HSV	hsv(233, 78%, 68%)
CMYK	cmyk(77.6%, 68.4%, 0%, 31.8%)
CIE-LAB	lab(29.96, 36.69, -64.85)
CIE-LCH	lch(29.96, 74.51, 299.50°)
OKLab	oklab(41.1% -0.0014 -0.1877)
OKLCH	oklch(41.1% 0.188 269.6)
XYZ	xyz(9.8402, 6.2186, 40.7179)
Luminance	0.0622 (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

#2737AE #AE9E27

analogous

#277BAE #2737AE #5B27AE

triadic

#2737AE #AE2737 #37AE27

tetradic

#2737AE #AE277B #AE9E27 #27AE5B

square

#2737AE #AE277B #AE9E27 #27AE5B

split-complementary

#2737AE #AE5B27 #7BAE27

monochromatic

#11174A #1C277C #2737AE #3E50D4 #707DDF

Accessibility & contrast

On white

9.36

#2737AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2737AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2737AE

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2737AE	#FFFFFF	#000000	##FFFFFF
##2737AE	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB2

Deuteranopia (green-blind)

#0040AC

Tritanopia (blue-blind)

#00586E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2737ae;
/* rgb */ color: rgb(39, 55, 174);
/* oklch */ color: oklch(41.1% 0.188 269.6);

Tailwind

colors: {
  custom: {
    50: '#786ec7',
    500: '#2737ae',
    950: '#000000',
  },
}

SCSS

$custom: #2737ae;
$custom-light: #786ec7;
$custom-dark: #000000;

JSON

{
  "hex": "#2737ae",
  "rgb": {
    "r": 39,
    "g": 55,
    "b": 174
  },
  "hsl": {
    "h": 232.889,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.41101,
    "c": 0.18775,
    "h": 269.6
  },
  "luminance": 0.0622
}

Semantic roles & 50–950 ramp

primary

#2737AE

secondary

#C6BB6B

accent

#D341E6

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2737AE

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

Preview Lab → · Contrast checker → · Palette generator →