#2737A0#2737A0

#2737A0 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.7% C 0.169 H 269.9°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#2737A0
RGB	rgb(39, 55, 160)
HSL	hsl(232, 61%, 39%)
HSV	hsv(232, 76%, 63%)
CMYK	cmyk(75.6%, 65.6%, 0%, 37.3%)
CIE-LAB	lab(28.64, 31.56, -58.58)
CIE-LCH	lch(28.64, 66.54, 298.32°)
OKLab	oklab(39.74% -0.0004 -0.1694)
OKLCH	oklch(39.74% 0.169 269.9)
XYZ	xyz(8.5459, 5.7009, 33.9009)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2737A0 #A09027

analogous

#2774A0 #2737A0 #5427A0

triadic

#2737A0 #A02737 #37A027

tetradic

#2737A0 #A02774 #A09027 #27A054

square

#2737A0 #A02774 #A09027 #27A054

split-complementary

#2737A0 #A05427 #74A027

monochromatic

#0F153E #1B266F #2737A0 #364ACE #6777DA

Accessibility & contrast

On white

9.81

#2737A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2737A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2737A0

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2737A0	#FFFFFF	#000000	##FFFFFF
##2737A0	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A3

Deuteranopia (green-blind)

#003E9E

Tritanopia (blue-blind)

#005366

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2737a0;
/* rgb */ color: rgb(39, 55, 160);
/* oklch */ color: oklch(39.7% 0.169 269.9);

Tailwind

colors: {
  custom: {
    50: '#746ebd',
    500: '#2737a0',
    950: '#000000',
  },
}

SCSS

$custom: #2737a0;
$custom-light: #746ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#2737a0",
  "rgb": {
    "r": 39,
    "g": 55,
    "b": 160
  },
  "hsl": {
    "h": 232.066,
    "s": 60.804,
    "l": 39.02
  },
  "oklch": {
    "l": 0.39743,
    "c": 0.1694,
    "h": 269.9
  },
  "luminance": 0.05702
}

Semantic roles & 50–950 ramp

primary

#2737A0

secondary

#C0B463

accent

#CF44E4

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2737A0

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

Preview Lab → · Contrast checker → · Palette generator →