#2737A4#2737A4

#2737A4 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.1% C 0.175 H 269.8°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#2737A4
RGB	rgb(39, 55, 164)
HSL	hsl(232, 62%, 40%)
HSV	hsv(232, 76%, 64%)
CMYK	cmyk(76.2%, 66.5%, 0%, 35.7%)
CIE-LAB	lab(29.01, 33.04, -60.40)
CIE-LCH	lch(29.01, 68.84, 298.68°)
OKLab	oklab(40.13% -0.0006 -0.1747)
OKLCH	oklch(40.13% 0.175 269.8)
XYZ	xyz(8.9014, 5.8431, 35.7735)
Luminance	0.0584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2737A4 #A49427

analogous

#2776A4 #2737A4 #5627A4

triadic

#2737A4 #A42737 #37A427

tetradic

#2737A4 #A42776 #A49427 #27A456

square

#2737A4 #A42776 #A49427 #27A456

split-complementary

#2737A4 #A45627 #76A427

monochromatic

#0F1641 #1B2673 #2737A4 #384CD0 #6A78DC

Accessibility & contrast

On white

9.68

#2737A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2737A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2737A4

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2737A4	#FFFFFF	#000000	##FFFFFF
##2737A4	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA7

Deuteranopia (green-blind)

#003FA2

Tritanopia (blue-blind)

#005468

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2737a4;
/* rgb */ color: rgb(39, 55, 164);
/* oklch */ color: oklch(40.1% 0.175 269.8);

Tailwind

colors: {
  custom: {
    50: '#756ec0',
    500: '#2737a4',
    950: '#000000',
  },
}

SCSS

$custom: #2737a4;
$custom-light: #756ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#2737a4",
  "rgb": {
    "r": 39,
    "g": 55,
    "b": 164
  },
  "hsl": {
    "h": 232.32,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40125,
    "c": 0.17471,
    "h": 269.8
  },
  "luminance": 0.05844
}

Semantic roles & 50–950 ramp

primary

#2737A4

secondary

#C2B665

accent

#D043E5

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2737A4

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

Preview Lab → · Contrast checker → · Palette generator →