#2A37C7#2A37C7

#2A37C7 is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.8% C 0.218 H 269.7°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#2A37C7
RGB	rgb(42, 55, 199)
HSL	hsl(235, 65%, 47%)
HSV	hsv(235, 79%, 78%)
CMYK	cmyk(78.9%, 72.4%, 0%, 22%)
CIE-LAB	lab(32.58, 45.71, -75.30)
CIE-LCH	lch(32.58, 88.09, 301.26°)
OKLab	oklab(43.78% -0.0013 -0.2181)
OKLCH	oklch(43.78% 0.218 269.7)
XYZ	xyz(12.6263, 7.3467, 54.7744)
Luminance	0.0735 (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

#2A37C7 #C7BA2A

analogous

#2A85C7 #2A37C7 #6C2AC7

triadic

#2A37C7 #C72A37 #37C72A

tetradic

#2A37C7 #C72A85 #C7BA2A #2AC76C

square

#2A37C7 #C72A85 #C7BA2A #2AC76C

split-complementary

#2A37C7 #C76C2A #85C72A

monochromatic

#151B62 #1F2994 #2A37C7 #535FDB #868EE5

Accessibility & contrast

On white

8.50

#2A37C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2A37C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A37C7

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A37C7	#FFFFFF	#000000	##FFFFFF
##2A37C7	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054CB

Deuteranopia (green-blind)

#0045C4

Tritanopia (blue-blind)

#00607C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2a37c7;
/* rgb */ color: rgb(42, 55, 199);
/* oklch */ color: oklch(43.8% 0.218 269.7);

Tailwind

colors: {
  custom: {
    50: '#7f6fd9',
    500: '#2a37c7',
    950: '#000000',
  },
}

SCSS

$custom: #2a37c7;
$custom-light: #7f6fd9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a37c7",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 199
  },
  "hsl": {
    "h": 235.032,
    "s": 65.145,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43778,
    "c": 0.21811,
    "h": 269.7
  },
  "luminance": 0.07348
}

Semantic roles & 50–950 ramp

primary

#2A37C7

secondary

#CFC87E

accent

#DA40E8

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #2A37C7

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

Preview Lab → · Contrast checker → · Palette generator →