#2737A5#2737A5

#2737A5 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.2% C 0.176 H 269.8°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#2737A5
RGB	rgb(39, 55, 165)
HSL	hsl(232, 62%, 40%)
HSV	hsv(232, 76%, 65%)
CMYK	cmyk(76.4%, 66.7%, 0%, 35.3%)
CIE-LAB	lab(29.11, 33.41, -60.85)
CIE-LCH	lch(29.11, 69.42, 298.77°)
OKLab	oklab(40.22% -0.0007 -0.176)
OKLCH	oklch(40.22% 0.176 269.8)
XYZ	xyz(8.9921, 5.8793, 36.2509)
Luminance	0.0588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2737A5 #A59527

analogous

#2776A5 #2737A5 #5627A5

triadic

#2737A5 #A52737 #37A527

tetradic

#2737A5 #A52776 #A59527 #27A556

square

#2737A5 #A52776 #A59527 #27A556

split-complementary

#2737A5 #A55627 #76A527

monochromatic

#101642 #1B2674 #2737A5 #394CD0 #6A79DC

Accessibility & contrast

On white

9.65

#2737A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#2737A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2737A5

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2737A5	#FFFFFF	#000000	##FFFFFF
##2737A5	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA8

Deuteranopia (green-blind)

#003FA3

Tritanopia (blue-blind)

#005469

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2737a5;
/* rgb */ color: rgb(39, 55, 165);
/* oklch */ color: oklch(40.2% 0.176 269.8);

Tailwind

colors: {
  custom: {
    50: '#766ec1',
    500: '#2737a5',
    950: '#000000',
  },
}

SCSS

$custom: #2737a5;
$custom-light: #766ec1;
$custom-dark: #000000;

JSON

{
  "hex": "#2737a5",
  "rgb": {
    "r": 39,
    "g": 55,
    "b": 165
  },
  "hsl": {
    "h": 232.381,
    "s": 61.765,
    "l": 40
  },
  "oklch": {
    "l": 0.40221,
    "c": 0.17603,
    "h": 269.8
  },
  "luminance": 0.0588
}

Semantic roles & 50–950 ramp

primary

#2737A5

secondary

#C2B666

accent

#D043E5

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2737A5

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

Preview Lab → · Contrast checker → · Palette generator →