#2A3B9E#2A3B9E

#2A3B9E is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.5% C 0.161 H 270.0°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#2A3B9E
RGB	rgb(42, 59, 158)
HSL	hsl(231, 58%, 39%)
HSV	hsv(231, 73%, 62%)
CMYK	cmyk(73.4%, 62.7%, 0%, 38%)
CIE-LAB	lab(29.63, 28.54, -55.74)
CIE-LCH	lch(29.63, 62.63, 297.11°)
OKLab	oklab(40.46% 0 -0.161)
OKLCH	oklch(40.46% 0.161 270)
XYZ	xyz(8.6883, 6.0879, 33.0583)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3B9E #9E8D2A

analogous

#2A759E #2A3B9E #532A9E

triadic

#2A3B9E #9E2A3B #3B9E2A

tetradic

#2A3B9E #9E2A75 #9E8D2A #2A9E53

square

#2A3B9E #9E2A75 #9E8D2A #2A9E53

split-complementary

#2A3B9E #9E532A #759E2A

monochromatic

#10173D #1D296E #2A3B9E #3A50CB #6B7BD8

Accessibility & contrast

On white

9.47

#2A3B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#2A3B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3B9E

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3B9E	#FFFFFF	#000000	##FFFFFF
##2A3B9E	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA1

Deuteranopia (green-blind)

#00419C

Tritanopia (blue-blind)

#005467

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2a3b9e;
/* rgb */ color: rgb(42, 59, 158);
/* oklch */ color: oklch(40.5% 0.161 270.0);

Tailwind

colors: {
  custom: {
    50: '#7570bc',
    500: '#2a3b9e',
    950: '#000000',
  },
}

SCSS

$custom: #2a3b9e;
$custom-light: #7570bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3b9e",
  "rgb": {
    "r": 42,
    "g": 59,
    "b": 158
  },
  "hsl": {
    "h": 231.207,
    "s": 58,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40458,
    "c": 0.16098,
    "h": 270
  },
  "luminance": 0.06089
}

Semantic roles & 50–950 ramp

primary

#2A3B9E

secondary

#BEB166

accent

#CB47E1

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2A3B9E

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

Preview Lab → · Contrast checker → · Palette generator →