#2A3480#2A3480

#2A3480 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.4% C 0.128 H 272.7°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#2A3480
RGB	rgb(42, 52, 128)
HSL	hsl(233, 51%, 33%)
HSV	hsv(233, 67%, 50%)
CMYK	cmyk(67.2%, 59.4%, 0%, 49.8%)
CIE-LAB	lab(25.28, 22.02, -44.32)
CIE-LCH	lch(25.28, 49.49, 296.42°)
OKLab	oklab(36.45% 0.006 -0.1275)
OKLCH	oklch(36.45% 0.128 272.7)
XYZ	xyz(6.0778, 4.5062, 20.9674)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3480 #80762A

analogous

#2A5F80 #2A3480 #4B2A80

triadic

#2A3480 #802A34 #34802A

tetradic

#2A3480 #802A5F #80762A #2A804B

square

#2A3480 #802A5F #80762A #2A804B

split-complementary

#2A3480 #804B2A #5F802A

monochromatic

#0C0F24 #1B2152 #2A3480 #3947AE #5B68C9

Accessibility & contrast

On white

11.04

#2A3480 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2A3480 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3480

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3480	#FFFFFF	#000000	##FFFFFF
##2A3480	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004083

Deuteranopia (green-blind)

#00387E

Tritanopia (blue-blind)

#004654

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2a3480;
/* rgb */ color: rgb(42, 52, 128);
/* oklch */ color: oklch(36.4% 0.128 272.7);

Tailwind

colors: {
  custom: {
    50: '#6e6ba5',
    500: '#2a3480',
    950: '#000000',
  },
}

SCSS

$custom: #2a3480;
$custom-light: #6e6ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3480",
  "rgb": {
    "r": 42,
    "g": 52,
    "b": 128
  },
  "hsl": {
    "h": 233.023,
    "s": 50.588,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36446,
    "c": 0.12766,
    "h": 272.7
  },
  "luminance": 0.04507
}

Semantic roles & 50–950 ramp

primary

#2A3480

secondary

#AFA557

accent

#CA4EDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2A3480

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

Preview Lab → · Contrast checker → · Palette generator →