#2A3C9E#2A3C9E

#2A3C9E is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.160 H 269.7°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#2A3C9E
RGB	rgb(42, 60, 158)
HSL	hsl(231, 58%, 39%)
HSV	hsv(231, 73%, 62%)
CMYK	cmyk(73.4%, 62%, 0%, 38%)
CIE-LAB	lab(29.89, 27.88, -55.32)
CIE-LCH	lch(29.89, 61.95, 296.74°)
OKLab	oklab(40.65% -0.0007 -0.1597)
OKLCH	oklch(40.65% 0.16 269.7)
XYZ	xyz(8.7401, 6.1917, 33.0756)
Luminance	0.0619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3C9E #9E8C2A

analogous

#2A769E #2A3C9E #522A9E

triadic

#2A3C9E #9E2A3C #3C9E2A

tetradic

#2A3C9E #9E2A76 #9E8C2A #2A9E52

square

#2A3C9E #9E2A76 #9E8C2A #2A9E52

split-complementary

#2A3C9E #9E522A #769E2A

monochromatic

#10173D #1D2A6E #2A3C9E #3A51CB #6B7CD8

Accessibility & contrast

On white

9.38

#2A3C9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#2A3C9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3C9E

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3C9E	#FFFFFF	#000000	##FFFFFF
##2A3C9E	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA1

Deuteranopia (green-blind)

#00419C

Tritanopia (blue-blind)

#005567

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2a3c9e;
/* rgb */ color: rgb(42, 60, 158);
/* oklch */ color: oklch(40.6% 0.160 269.7);

Tailwind

colors: {
  custom: {
    50: '#7471bb',
    500: '#2a3c9e',
    950: '#000000',
  },
}

SCSS

$custom: #2a3c9e;
$custom-light: #7471bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3c9e",
  "rgb": {
    "r": 42,
    "g": 60,
    "b": 158
  },
  "hsl": {
    "h": 230.69,
    "s": 58,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40648,
    "c": 0.15974,
    "h": 269.7
  },
  "luminance": 0.06193
}

Semantic roles & 50–950 ramp

primary

#2A3C9E

secondary

#BEB066

accent

#C947E1

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2A3C9E

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

Preview Lab → · Contrast checker → · Palette generator →