#2A3F92#2A3F92

#2A3F92 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.2% C 0.139 H 268.6°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#2A3F92
RGB	rgb(42, 63, 146)
HSL	hsl(228, 55%, 37%)
HSV	hsv(228, 71%, 57%)
CMYK	cmyk(71.2%, 56.8%, 0%, 42.7%)
CIE-LAB	lab(29.72, 21.32, -48.29)
CIE-LCH	lch(29.72, 52.79, 293.82°)
OKLab	oklab(40.21% -0.0033 -0.139)
OKLCH	oklch(40.21% 0.139 268.6)
XYZ	xyz(7.9189, 6.1218, 27.9528)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3F92 #927D2A

analogous

#2A7392 #2A3F92 #492A92

triadic

#2A3F92 #922A3F #3F922A

tetradic

#2A3F92 #922A73 #927D2A #2A9249

square

#2A3F92 #922A73 #927D2A #2A9249

split-complementary

#2A3F92 #92492A #73922A

monochromatic

#0F1633 #1C2A62 #2A3F92 #3854C2 #647AD2

Accessibility & contrast

On white

9.44

#2A3F92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#2A3F92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3F92

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3F92	#FFFFFF	#000000	##FFFFFF
##2A3F92	1.00	9.44	2.22	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B95

Deuteranopia (green-blind)

#004190

Tritanopia (blue-blind)

#005362

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2a3f92;
/* rgb */ color: rgb(42, 63, 146);
/* oklch */ color: oklch(40.2% 0.139 268.6);

Tailwind

colors: {
  custom: {
    50: '#7173b3',
    500: '#2a3f92',
    950: '#000000',
  },
}

SCSS

$custom: #2a3f92;
$custom-light: #7173b3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3f92",
  "rgb": {
    "r": 42,
    "g": 63,
    "b": 146
  },
  "hsl": {
    "h": 227.885,
    "s": 55.319,
    "l": 36.863
  },
  "oklch": {
    "l": 0.40214,
    "c": 0.13907,
    "h": 268.6
  },
  "luminance": 0.06123
}

Semantic roles & 50–950 ramp

primary

#2A3F92

secondary

#B8A65F

accent

#C049DF

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2A3F92

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

Preview Lab → · Contrast checker → · Palette generator →