#2A3CA8#2A3CA8

#2A3CA8 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.6% C 0.173 H 269.7°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#2A3CA8
RGB	rgb(42, 60, 168)
HSL	hsl(231, 60%, 41%)
HSV	hsv(231, 75%, 66%)
CMYK	cmyk(75%, 64.3%, 0%, 34.1%)
CIE-LAB	lab(30.76, 31.59, -59.94)
CIE-LCH	lch(30.76, 67.75, 297.79°)
OKLab	oklab(41.56% -0.001 -0.1733)
OKLCH	oklch(41.56% 0.173 269.7)
XYZ	xyz(9.6362, 6.5501, 37.7946)
Luminance	0.0655 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3CA8 #A8962A

analogous

#2A7BA8 #2A3CA8 #572AA8

triadic

#2A3CA8 #A82A3C #3CA82A

tetradic

#2A3CA8 #A82A7B #A8962A #2AA857

square

#2A3CA8 #A82A7B #A8962A #2AA857

split-complementary

#2A3CA8 #A8572A #7BA82A

monochromatic

#121946 #1E2B77 #2A3CA8 #4054CF #7180DB

Accessibility & contrast

On white

9.09

#2A3CA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#2A3CA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3CA8

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3CA8	#FFFFFF	#000000	##FFFFFF
##2A3CA8	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAB

Deuteranopia (green-blind)

#0043A6

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2a3ca8;
/* rgb */ color: rgb(42, 60, 168);
/* oklch */ color: oklch(41.6% 0.173 269.7);

Tailwind

colors: {
  custom: {
    50: '#7771c3',
    500: '#2a3ca8',
    950: '#000000',
  },
}

SCSS

$custom: #2a3ca8;
$custom-light: #7771c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3ca8",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 168
  },
  "hsl": {
    "h": 231.429,
    "s": 60,
    "l": 41.176
  },
  "oklch": {
    "l": 0.41558,
    "c": 0.17326,
    "h": 269.7
  },
  "luminance": 0.06551
}

Semantic roles & 50–950 ramp

primary

#2A3CA8

secondary

#C3B66B

accent

#CD45E3

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2A3CA8

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

Preview Lab → · Contrast checker → · Palette generator →