#2A36A3#2A36A3

#2A36A3 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.0% C 0.174 H 271.0°. Best body text is #FFFFFF at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#2A36A3
RGB	rgb(42, 54, 163)
HSL	hsl(234, 59%, 40%)
HSV	hsv(234, 74%, 64%)
CMYK	cmyk(74.2%, 66.9%, 0%, 36.1%)
CIE-LAB	lab(28.84, 33.65, -60.08)
CIE-LCH	lch(28.84, 68.86, 299.25°)
OKLab	oklab(40.01% 0.0032 -0.1737)
OKLCH	oklch(40.01% 0.174 271)
XYZ	xyz(8.8826, 5.7740, 35.2896)
Luminance	0.0578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A36A3 #A3972A

analogous

#2A72A3 #2A36A3 #5B2AA3

triadic

#2A36A3 #A32A36 #36A32A

tetradic

#2A36A3 #A32A72 #A3972A #2AA35B

square

#2A36A3 #A32A72 #A3972A #2AA35B

split-complementary

#2A36A3 #A35B2A #72A32A

monochromatic

#111642 #1D2672 #2A36A3 #3D4BCD #6E78DA

Accessibility & contrast

On white

9.74

#2A36A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2A36A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A36A3

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A36A3	#FFFFFF	#000000	##FFFFFF
##2A36A3	1.00	9.74	2.16	9.74
#FFFFFF	9.74	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA6

Deuteranopia (green-blind)

#003EA1

Tritanopia (blue-blind)

#005367

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a36a3;
/* rgb */ color: rgb(42, 54, 163);
/* oklch */ color: oklch(40.0% 0.174 271.0);

Tailwind

colors: {
  custom: {
    50: '#766dbf',
    500: '#2a36a3',
    950: '#000000',
  },
}

SCSS

$custom: #2a36a3;
$custom-light: #766dbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a36a3",
  "rgb": {
    "r": 42,
    "g": 54,
    "b": 163
  },
  "hsl": {
    "h": 234.05,
    "s": 59.024,
    "l": 40.196
  },
  "oklch": {
    "l": 0.40009,
    "c": 0.17375,
    "h": 271
  },
  "luminance": 0.05775
}

Semantic roles & 50–950 ramp

primary

#2A36A3

secondary

#C0B868

accent

#D346E2

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2A36A3

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

Preview Lab → · Contrast checker → · Palette generator →