#2A3C9D#2A3C9D

#2A3C9D is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.158 H 269.8°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#2A3C9D
RGB	rgb(42, 60, 157)
HSL	hsl(231, 58%, 39%)
HSV	hsv(231, 73%, 62%)
CMYK	cmyk(73.2%, 61.8%, 0%, 38.4%)
CIE-LAB	lab(29.81, 27.50, -54.85)
CIE-LCH	lch(29.81, 61.36, 296.63°)
OKLab	oklab(40.56% -0.0007 -0.1584)
OKLCH	oklch(40.56% 0.158 269.8)
XYZ	xyz(8.6544, 6.1574, 32.6241)
Luminance	0.0616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3C9D #9D8B2A

analogous

#2A769D #2A3C9D #522A9D

triadic

#2A3C9D #9D2A3C #3C9D2A

tetradic

#2A3C9D #9D2A76 #9D8B2A #2A9D52

square

#2A3C9D #9D2A76 #9D8B2A #2A9D52

split-complementary

#2A3C9D #9D522A #769D2A

monochromatic

#10173C #1D2A6D #2A3C9D #3A51CA #6A7BD7

Accessibility & contrast

On white

9.41

#2A3C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2A3C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3C9D

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3C9D	#FFFFFF	#000000	##FFFFFF
##2A3C9D	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA0

Deuteranopia (green-blind)

#00419B

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2a3c9d;
/* rgb */ color: rgb(42, 60, 157);
/* oklch */ color: oklch(40.6% 0.158 269.8);

Tailwind

colors: {
  custom: {
    50: '#7471bb',
    500: '#2a3c9d',
    950: '#000000',
  },
}

SCSS

$custom: #2a3c9d;
$custom-light: #7471bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3c9d",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 157
  },
  "hsl": {
    "h": 230.609,
    "s": 57.789,
    "l": 39.02
  },
  "oklch": {
    "l": 0.40559,
    "c": 0.15836,
    "h": 269.8
  },
  "luminance": 0.06158
}

Semantic roles & 50–950 ramp

primary

#2A3C9D

secondary

#BEB065

accent

#C947E1

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2A3C9D

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

Preview Lab → · Contrast checker → · Palette generator →