#2A3DAF#2A3DAF

#2A3DAF is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.4% C 0.181 H 269.4°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#2A3DAF
RGB	rgb(42, 61, 175)
HSL	hsl(231, 61%, 43%)
HSV	hsv(231, 76%, 69%)
CMYK	cmyk(76%, 65.1%, 0%, 31.4%)
CIE-LAB	lab(31.63, 33.52, -62.70)
CIE-LCH	lch(31.63, 71.09, 298.13°)
OKLab	oklab(42.39% -0.0019 -0.1813)
OKLCH	oklch(42.39% 0.181 269.4)
XYZ	xyz(10.3588, 6.9237, 41.3396)
Luminance	0.0693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3DAF #AF9C2A

analogous

#2A7FAF #2A3DAF #5A2AAF

triadic

#2A3DAF #AF2A3D #3DAF2A

tetradic

#2A3DAF #AF2A7F #AF9C2A #2AAF5A

square

#2A3DAF #AF2A7F #AF9C2A #2AAF5A

split-complementary

#2A3DAF #AF5A2A #7FAF2A

monochromatic

#121B4C #1E2C7E #2A3DAF #4458D2 #7584DE

Accessibility & contrast

On white

8.81

#2A3DAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2A3DAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3DAF

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3DAF	#FFFFFF	#000000	##FFFFFF
##2A3DAF	1.00	8.81	2.39	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B3

Deuteranopia (green-blind)

#0044AD

Tritanopia (blue-blind)

#005B70

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2a3daf;
/* rgb */ color: rgb(42, 61, 175);
/* oklch */ color: oklch(42.4% 0.181 269.4);

Tailwind

colors: {
  custom: {
    50: '#7872c8',
    500: '#2a3daf',
    950: '#000000',
  },
}

SCSS

$custom: #2a3daf;
$custom-light: #7872c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3daf",
  "rgb": {
    "r": 42,
    "g": 61,
    "b": 175
  },
  "hsl": {
    "h": 231.429,
    "s": 61.29,
    "l": 42.549
  },
  "oklch": {
    "l": 0.42392,
    "c": 0.18135,
    "h": 269.4
  },
  "luminance": 0.06925
}

Semantic roles & 50–950 ramp

primary

#2A3DAF

secondary

#C6B96F

accent

#CD43E4

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2A3DAF

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

Preview Lab → · Contrast checker → · Palette generator →