#2A3C9F#2A3C9F

#2A3C9F is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.7% C 0.161 H 269.7°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#2A3C9F
RGB	rgb(42, 60, 159)
HSL	hsl(231, 58%, 39%)
HSV	hsv(231, 74%, 62%)
CMYK	cmyk(73.6%, 62.3%, 0%, 37.6%)
CIE-LAB	lab(29.98, 28.25, -55.79)
CIE-LCH	lch(29.98, 62.54, 296.86°)
OKLab	oklab(40.74% -0.0007 -0.1611)
OKLCH	oklch(40.74% 0.161 269.7)
XYZ	xyz(8.8266, 6.2262, 33.5308)
Luminance	0.0623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3C9F #9F8D2A

analogous

#2A779F #2A3C9F #532A9F

triadic

#2A3C9F #9F2A3C #3C9F2A

tetradic

#2A3C9F #9F2A77 #9F8D2A #2A9F53

square

#2A3C9F #9F2A77 #9F8D2A #2A9F53

split-complementary

#2A3C9F #9F532A #779F2A

monochromatic

#10173E #1D2A6F #2A3C9F #3B51CB #6B7CD8

Accessibility & contrast

On white

9.35

#2A3C9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2A3C9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3C9F

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3C9F	#FFFFFF	#000000	##FFFFFF
##2A3C9F	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA2

Deuteranopia (green-blind)

#00419D

Tritanopia (blue-blind)

#005567

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2a3c9f;
/* rgb */ color: rgb(42, 60, 159);
/* oklch */ color: oklch(40.7% 0.161 269.7);

Tailwind

colors: {
  custom: {
    50: '#7571bc',
    500: '#2a3c9f',
    950: '#000000',
  },
}

SCSS

$custom: #2a3c9f;
$custom-light: #7571bc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3c9f",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 159
  },
  "hsl": {
    "h": 230.769,
    "s": 58.209,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40738,
    "c": 0.16111,
    "h": 269.7
  },
  "luminance": 0.06227
}

Semantic roles & 50–950 ramp

primary

#2A3C9F

secondary

#BFB166

accent

#CA46E1

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2A3C9F

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

Preview Lab → · Contrast checker → · Palette generator →