#2A3A99#2A3A99

#2A3A99 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.8% C 0.155 H 270.3°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#2A3A99
RGB	rgb(42, 58, 153)
HSL	hsl(231, 57%, 38%)
HSV	hsv(231, 73%, 60%)
CMYK	cmyk(72.5%, 62.1%, 0%, 40%)
CIE-LAB	lab(28.95, 27.34, -53.82)
CIE-LCH	lch(28.95, 60.37, 296.93°)
OKLab	oklab(39.82% 0.0009 -0.1554)
OKLCH	oklch(39.82% 0.155 270.3)
XYZ	xyz(8.2157, 5.8174, 30.8207)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3A99 #99892A

analogous

#2A7199 #2A3A99 #512A99

triadic

#2A3A99 #992A3A #3A992A

tetradic

#2A3A99 #992A71 #99892A #2A9951

square

#2A3A99 #992A71 #99892A #2A9951

split-complementary

#2A3A99 #99512A #71992A

monochromatic

#101639 #1D2869 #2A3A99 #384DC8 #6878D6

Accessibility & contrast

On white

9.71

#2A3A99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2A3A99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3A99

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3A99	#FFFFFF	#000000	##FFFFFF
##2A3A99	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499C

Deuteranopia (green-blind)

#003F97

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a3a99;
/* rgb */ color: rgb(42, 58, 153);
/* oklch */ color: oklch(39.8% 0.155 270.3);

Tailwind

colors: {
  custom: {
    50: '#7370b8',
    500: '#2a3a99',
    950: '#000000',
  },
}

SCSS

$custom: #2a3a99;
$custom-light: #7370b8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3a99",
  "rgb": {
    "r": 42,
    "g": 58,
    "b": 153
  },
  "hsl": {
    "h": 231.351,
    "s": 56.923,
    "l": 38.235
  },
  "oklch": {
    "l": 0.39817,
    "c": 0.15536,
    "h": 270.3
  },
  "luminance": 0.05818
}

Semantic roles & 50–950 ramp

primary

#2A3A99

secondary

#BCAF63

accent

#CA48E0

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2A3A99

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

Preview Lab → · Contrast checker → · Palette generator →