#2A37A2#2A37A2

#2A37A2 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.1% C 0.171 H 270.9°. Best body text is #FFFFFF at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#2A37A2
RGB	rgb(42, 55, 162)
HSL	hsl(234, 59%, 40%)
HSV	hsv(234, 74%, 64%)
CMYK	cmyk(74.1%, 66%, 0%, 36.5%)
CIE-LAB	lab(28.99, 32.64, -59.23)
CIE-LCH	lch(28.99, 67.63, 298.86°)
OKLab	oklab(40.09% 0.0026 -0.1712)
OKLCH	oklch(40.09% 0.171 270.9)
XYZ	xyz(8.8404, 5.8323, 34.8353)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A37A2 #A2952A

analogous

#2A73A2 #2A37A2 #592AA2

triadic

#2A37A2 #A22A37 #37A22A

tetradic

#2A37A2 #A22A73 #A2952A #2AA259

square

#2A37A2 #A22A73 #A2952A #2AA259

split-complementary

#2A37A2 #A2592A #73A22A

monochromatic

#111641 #1D2671 #2A37A2 #3D4CCD #6D79D9

Accessibility & contrast

On white

9.69

#2A37A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2A37A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A37A2

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A37A2	#FFFFFF	#000000	##FFFFFF
##2A37A2	1.00	9.69	2.17	9.69
#FFFFFF	9.69	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA5

Deuteranopia (green-blind)

#003FA0

Tritanopia (blue-blind)

#005367

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a37a2;
/* rgb */ color: rgb(42, 55, 162);
/* oklch */ color: oklch(40.1% 0.171 270.9);

Tailwind

colors: {
  custom: {
    50: '#766ebf',
    500: '#2a37a2',
    950: '#000000',
  },
}

SCSS

$custom: #2a37a2;
$custom-light: #766ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a37a2",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 162
  },
  "hsl": {
    "h": 233.5,
    "s": 58.824,
    "l": 40
  },
  "oklch": {
    "l": 0.40091,
    "c": 0.17124,
    "h": 270.9
  },
  "luminance": 0.05833
}

Semantic roles & 50–950 ramp

primary

#2A37A2

secondary

#C0B668

accent

#D146E2

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2A37A2

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

Preview Lab → · Contrast checker → · Palette generator →