#2A3CA4#2A3CA4

#2A3CA4 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.2% C 0.168 H 269.7°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#2A3CA4
RGB	rgb(42, 60, 164)
HSL	hsl(231, 59%, 40%)
HSV	hsv(231, 74%, 64%)
CMYK	cmyk(74.4%, 63.4%, 0%, 35.7%)
CIE-LAB	lab(30.41, 30.11, -58.11)
CIE-LCH	lch(30.41, 65.44, 297.39°)
OKLab	oklab(41.19% -0.0008 -0.1679)
OKLCH	oklch(41.19% 0.168 269.7)
XYZ	xyz(9.2692, 6.4033, 35.8622)
Luminance	0.0640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3CA4 #A4922A

analogous

#2A79A4 #2A3CA4 #552AA4

triadic

#2A3CA4 #A42A3C #3CA42A

tetradic

#2A3CA4 #A42A79 #A4922A #2AA455

square

#2A3CA4 #A42A79 #A4922A #2AA455

split-complementary

#2A3CA4 #A4552A #79A42A

monochromatic

#111843 #1E2A73 #2A3CA4 #3E53CD #6E7EDA

Accessibility & contrast

On white

9.21

#2A3CA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2A3CA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3CA4

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3CA4	#FFFFFF	#000000	##FFFFFF
##2A3CA4	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA7

Deuteranopia (green-blind)

#0042A2

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2a3ca4;
/* rgb */ color: rgb(42, 60, 164);
/* oklch */ color: oklch(41.2% 0.168 269.7);

Tailwind

colors: {
  custom: {
    50: '#7671c0',
    500: '#2a3ca4',
    950: '#000000',
  },
}

SCSS

$custom: #2a3ca4;
$custom-light: #7671c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3ca4",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 164
  },
  "hsl": {
    "h": 231.148,
    "s": 59.223,
    "l": 40.392
  },
  "oklch": {
    "l": 0.41191,
    "c": 0.1679,
    "h": 269.7
  },
  "luminance": 0.06404
}

Semantic roles & 50–950 ramp

primary

#2A3CA4

secondary

#C1B469

accent

#CB45E2

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2A3CA4

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

Preview Lab → · Contrast checker → · Palette generator →