#2A3CA5#2A3CA5

#2A3CA5 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.3% C 0.169 H 269.7°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#2A3CA5
RGB	rgb(42, 60, 165)
HSL	hsl(231, 59%, 41%)
HSV	hsv(231, 75%, 65%)
CMYK	cmyk(74.5%, 63.6%, 0%, 35.3%)
CIE-LAB	lab(30.50, 30.48, -58.57)
CIE-LCH	lch(30.50, 66.02, 297.50°)
OKLab	oklab(41.28% -0.0009 -0.1693)
OKLCH	oklch(41.28% 0.169 269.7)
XYZ	xyz(9.3599, 6.4396, 36.3397)
Luminance	0.0644 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3CA5 #A5932A

analogous

#2A79A5 #2A3CA5 #562AA5

triadic

#2A3CA5 #A52A3C #3CA52A

tetradic

#2A3CA5 #A52A79 #A5932A #2AA556

square

#2A3CA5 #A52A79 #A5932A #2AA556

split-complementary

#2A3CA5 #A5562A #79A52A

monochromatic

#111943 #1E2A74 #2A3CA5 #3E53CE #6F7FDA

Accessibility & contrast

On white

9.18

#2A3CA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#2A3CA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3CA5

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3CA5	#FFFFFF	#000000	##FFFFFF
##2A3CA5	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA8

Deuteranopia (green-blind)

#0042A3

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2a3ca5;
/* rgb */ color: rgb(42, 60, 165);
/* oklch */ color: oklch(41.3% 0.169 269.7);

Tailwind

colors: {
  custom: {
    50: '#7671c1',
    500: '#2a3ca5',
    950: '#000000',
  },
}

SCSS

$custom: #2a3ca5;
$custom-light: #7671c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3ca5",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 165
  },
  "hsl": {
    "h": 231.22,
    "s": 59.42,
    "l": 40.588
  },
  "oklch": {
    "l": 0.41282,
    "c": 0.16925,
    "h": 269.7
  },
  "luminance": 0.06441
}

Semantic roles & 50–950 ramp

primary

#2A3CA5

secondary

#C1B469

accent

#CC45E3

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2A3CA5

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

Preview Lab → · Contrast checker → · Palette generator →