#2A3799#2A3799

#2A3799 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.3% C 0.159 H 271.1°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#2A3799
RGB	rgb(42, 55, 153)
HSL	hsl(233, 57%, 38%)
HSV	hsv(233, 73%, 60%)
CMYK	cmyk(72.5%, 64.1%, 0%, 40%)
CIE-LAB	lab(28.18, 29.33, -55.08)
CIE-LCH	lch(28.18, 62.40, 298.03°)
OKLab	oklab(39.25% 0.0031 -0.1591)
OKLCH	oklch(39.25% 0.159 271.1)
XYZ	xyz(8.0689, 5.5237, 30.7718)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3799 #998C2A

analogous

#2A6E99 #2A3799 #542A99

triadic

#2A3799 #992A37 #37992A

tetradic

#2A3799 #992A6E #998C2A #2A9954

square

#2A3799 #992A6E #998C2A #2A9954

split-complementary

#2A3799 #99542A #6E992A

monochromatic

#101439 #1D2669 #2A3799 #3849C8 #6875D6

Accessibility & contrast

On white

9.98

#2A3799 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2A3799 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3799

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3799	#FFFFFF	#000000	##FFFFFF
##2A3799	1.00	9.98	2.11	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489C

Deuteranopia (green-blind)

#003D97

Tritanopia (blue-blind)

#005062

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2a3799;
/* rgb */ color: rgb(42, 55, 153);
/* oklch */ color: oklch(39.3% 0.159 271.1);

Tailwind

colors: {
  custom: {
    50: '#746db8',
    500: '#2a3799',
    950: '#000000',
  },
}

SCSS

$custom: #2a3799;
$custom-light: #746db8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3799",
  "rgb": {
    "r": 42,
    "g": 55,
    "b": 153
  },
  "hsl": {
    "h": 232.973,
    "s": 56.923,
    "l": 38.235
  },
  "oklch": {
    "l": 0.3925,
    "c": 0.15911,
    "h": 271.1
  },
  "luminance": 0.05525
}

Semantic roles & 50–950 ramp

primary

#2A3799

secondary

#BCB163

accent

#CE48E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2A3799

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

Preview Lab → · Contrast checker → · Palette generator →