#2B37B2#2B37B2

#2B37B2 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.7% C 0.192 H 270.7°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#2B37B2
RGB	rgb(43, 55, 178)
HSL	hsl(235, 61%, 43%)
HSV	hsv(235, 76%, 70%)
CMYK	cmyk(75.8%, 69.1%, 0%, 30.2%)
CIE-LAB	lab(30.54, 38.50, -66.27)
CIE-LCH	lch(30.54, 76.64, 300.15°)
OKLab	oklab(41.7% 0.0022 -0.1918)
OKLCH	oklch(41.7% 0.192 270.7)
XYZ	xyz(10.3956, 6.4592, 42.8097)
Luminance	0.0646 (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

#2B37B2 #B2A62B

analogous

#2B7AB2 #2B37B2 #622BB2

triadic

#2B37B2 #B22B37 #37B22B

tetradic

#2B37B2 #B22B7A #B2A62B #2BB262

square

#2B37B2 #B22B7A #B2A62B #2BB262

split-complementary

#2B37B2 #B2622B #7AB22B

monochromatic

#13194F #1F2881 #2B37B2 #4854D3 #7982DF

Accessibility & contrast

On white

9.16

#2B37B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2B37B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B37B2

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B37B2	#FFFFFF	#000000	##FFFFFF
##2B37B2	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB6

Deuteranopia (green-blind)

#0041B0

Tritanopia (blue-blind)

#005970

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2b37b2;
/* rgb */ color: rgb(43, 55, 178);
/* oklch */ color: oklch(41.7% 0.192 270.7);

Tailwind

colors: {
  custom: {
    50: '#7a6eca',
    500: '#2b37b2',
    950: '#000000',
  },
}

SCSS

$custom: #2b37b2;
$custom-light: #7a6eca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b37b2",
  "rgb": {
    "r": 43,
    "g": 55,
    "b": 178
  },
  "hsl": {
    "h": 234.667,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.41696,
    "c": 0.1918,
    "h": 270.7
  },
  "luminance": 0.0646
}

Semantic roles & 50–950 ramp

primary

#2B37B2

secondary

#C7BF72

accent

#D644E4

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2B37B2

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

Preview Lab → · Contrast checker → · Palette generator →