#2737A6#2737A6

#2737A6 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.3% C 0.177 H 269.8°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#2737A6
RGB	rgb(39, 55, 166)
HSL	hsl(232, 62%, 40%)
HSV	hsv(232, 77%, 65%)
CMYK	cmyk(76.5%, 66.9%, 0%, 34.9%)
CIE-LAB	lab(29.20, 33.77, -61.30)
CIE-LCH	lch(29.20, 69.99, 298.85°)
OKLab	oklab(40.32% -0.0007 -0.1773)
OKLCH	oklch(40.32% 0.177 269.8)
XYZ	xyz(9.0835, 5.9159, 36.7322)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2737A6 #A69627

analogous

#2776A6 #2737A6 #5727A6

triadic

#2737A6 #A62737 #37A627

tetradic

#2737A6 #A62776 #A69627 #27A657

square

#2737A6 #A62776 #A69627 #27A657

split-complementary

#2737A6 #A65727 #76A627

monochromatic

#101643 #1B2774 #2737A6 #3A4DD1 #6B79DC

Accessibility & contrast

On white

9.62

#2737A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#2737A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2737A6

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2737A6	#FFFFFF	#000000	##FFFFFF
##2737A6	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA9

Deuteranopia (green-blind)

#003FA4

Tritanopia (blue-blind)

#005569

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2737a6;
/* rgb */ color: rgb(39, 55, 166);
/* oklch */ color: oklch(40.3% 0.177 269.8);

Tailwind

colors: {
  custom: {
    50: '#766ec1',
    500: '#2737a6',
    950: '#000000',
  },
}

SCSS

$custom: #2737a6;
$custom-light: #766ec1;
$custom-dark: #000000;

JSON

{
  "hex": "#2737a6",
  "rgb": {
    "r": 39,
    "g": 55,
    "b": 166
  },
  "hsl": {
    "h": 232.441,
    "s": 61.951,
    "l": 40.196
  },
  "oklch": {
    "l": 0.40318,
    "c": 0.17735,
    "h": 269.8
  },
  "luminance": 0.05917
}

Semantic roles & 50–950 ramp

primary

#2737A6

secondary

#C3B766

accent

#D143E5

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2737A6

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

Preview Lab → · Contrast checker → · Palette generator →