#2E37B8#2E37B8

#2E37B8 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.4% C 0.199 H 271.4°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#2E37B8
RGB	rgb(46, 55, 184)
HSL	hsl(236, 60%, 45%)
HSV	hsv(236, 75%, 72%)
CMYK	cmyk(75%, 70.1%, 0%, 27.8%)
CIE-LAB	lab(31.28, 40.89, -68.61)
CIE-LCH	lch(31.28, 79.87, 300.80°)
OKLab	oklab(42.45% 0.0047 -0.1985)
OKLCH	oklch(42.45% 0.199 271.4)
XYZ	xyz(11.1417, 6.7727, 46.0582)
Luminance	0.0677 (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

#2E37B8 #B8AF2E

analogous

#2E7CB8 #2E37B8 #6A2EB8

triadic

#2E37B8 #B82E37 #37B82E

tetradic

#2E37B8 #B82E7C #B8AF2E #2EB86A

square

#2E37B8 #B82E7C #B8AF2E #2EB86A

split-complementary

#2E37B8 #B86A2E #7CB82E

monochromatic

#161A56 #222887 #2E37B8 #5059D3 #8187DF

Accessibility & contrast

On white

8.92

#2E37B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2E37B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E37B8

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E37B8	#FFFFFF	#000000	##FFFFFF
##2E37B8	1.00	8.92	2.35	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BC

Deuteranopia (green-blind)

#0043B6

Tritanopia (blue-blind)

#005B73

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2e37b8;
/* rgb */ color: rgb(46, 55, 184);
/* oklch */ color: oklch(42.4% 0.199 271.4);

Tailwind

colors: {
  custom: {
    50: '#7d6ecf',
    500: '#2e37b8',
    950: '#000000',
  },
}

SCSS

$custom: #2e37b8;
$custom-light: #7d6ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#2e37b8",
  "rgb": {
    "r": 46,
    "g": 55,
    "b": 184
  },
  "hsl": {
    "h": 236.087,
    "s": 60,
    "l": 45.098
  },
  "oklch": {
    "l": 0.4245,
    "c": 0.19861,
    "h": 271.4
  },
  "luminance": 0.06774
}

Semantic roles & 50–950 ramp

primary

#2E37B8

secondary

#C8C379

accent

#D945E3

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2E37B8

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

Preview Lab → · Contrast checker → · Palette generator →