#2A3DA9#2A3DA9

#2A3DA9 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.8% C 0.173 H 269.4°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#2A3DA9
RGB	rgb(42, 61, 169)
HSL	hsl(231, 60%, 41%)
HSV	hsv(231, 75%, 66%)
CMYK	cmyk(75.1%, 63.9%, 0%, 33.7%)
CIE-LAB	lab(31.10, 31.31, -59.98)
CIE-LCH	lch(31.10, 67.66, 297.56°)
OKLab	oklab(41.83% -0.0017 -0.1734)
OKLCH	oklch(41.83% 0.173 269.4)
XYZ	xyz(9.7826, 6.6933, 38.3048)
Luminance	0.0669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3DA9 #A9962A

analogous

#2A7DA9 #2A3DA9 #572AA9

triadic

#2A3DA9 #A92A3D #3DA92A

tetradic

#2A3DA9 #A92A7D #A9962A #2AA957

square

#2A3DA9 #A92A7D #A9962A #2AA957

split-complementary

#2A3DA9 #A9572A #7DA92A

monochromatic

#121A47 #1E2B78 #2A3DA9 #4156D0 #7281DC

Accessibility & contrast

On white

8.98

#2A3DA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#2A3DA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3DA9

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3DA9	#FFFFFF	#000000	##FFFFFF
##2A3DA9	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAC

Deuteranopia (green-blind)

#0043A7

Tritanopia (blue-blind)

#00596D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2a3da9;
/* rgb */ color: rgb(42, 61, 169);
/* oklch */ color: oklch(41.8% 0.173 269.4);

Tailwind

colors: {
  custom: {
    50: '#7772c4',
    500: '#2a3da9',
    950: '#000000',
  },
}

SCSS

$custom: #2a3da9;
$custom-light: #7772c4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3da9",
  "rgb": {
    "r": 42,
    "g": 61,
    "b": 169
  },
  "hsl": {
    "h": 231.024,
    "s": 60.19,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41834,
    "c": 0.1734,
    "h": 269.4
  },
  "luminance": 0.06694
}

Semantic roles & 50–950 ramp

primary

#2A3DA9

secondary

#C3B66C

accent

#CC44E3

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2A3DA9

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

Preview Lab → · Contrast checker → · Palette generator →