#2937B6#2937B6

#2937B6 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.0% C 0.197 H 269.9°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#2937B6
RGB	rgb(41, 55, 182)
HSL	hsl(234, 63%, 44%)
HSV	hsv(234, 77%, 71%)
CMYK	cmyk(77.5%, 69.8%, 0%, 28.6%)
CIE-LAB	lab(30.83, 39.73, -68.18)
CIE-LCH	lch(30.83, 78.91, 300.23°)
OKLab	oklab(42% -0.0002 -0.1974)
OKLCH	oklch(42% 0.197 269.9)
XYZ	xyz(10.7212, 6.5800, 44.9519)
Luminance	0.0658 (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

#2937B6 #B6A829

analogous

#297DB6 #2937B6 #6129B6

triadic

#2937B6 #B62937 #37B629

tetradic

#2937B6 #B6297D #B6A829 #29B661

square

#2937B6 #B6297D #B6A829 #29B661

split-complementary

#2937B6 #B66129 #7DB629

monochromatic

#121952 #1E2884 #2937B6 #4755D5 #7983E1

Accessibility & contrast

On white

9.07

#2937B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#2937B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2937B6

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2937B6	#FFFFFF	#000000	##FFFFFF
##2937B6	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBA

Deuteranopia (green-blind)

#0042B4

Tritanopia (blue-blind)

#005A72

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2937b6;
/* rgb */ color: rgb(41, 55, 182);
/* oklch */ color: oklch(42.0% 0.197 269.9);

Tailwind

colors: {
  custom: {
    50: '#7a6ecd',
    500: '#2937b6',
    950: '#000000',
  },
}

SCSS

$custom: #2937b6;
$custom-light: #7a6ecd;
$custom-dark: #000000;

JSON

{
  "hex": "#2937b6",
  "rgb": {
    "r": 41,
    "g": 55,
    "b": 182
  },
  "hsl": {
    "h": 234.043,
    "s": 63.229,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41995,
    "c": 0.1974,
    "h": 269.9
  },
  "luminance": 0.06581
}

Semantic roles & 50–950 ramp

primary

#2937B6

secondary

#C9C072

accent

#D642E6

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2937B6

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

Preview Lab → · Contrast checker → · Palette generator →