#2A3A9C#2A3A9C

#2A3A9C is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.1% C 0.159 H 270.3°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#2A3A9C
RGB	rgb(42, 58, 156)
HSL	hsl(232, 58%, 39%)
HSV	hsv(232, 73%, 61%)
CMYK	cmyk(73.1%, 62.8%, 0%, 38.8%)
CIE-LAB	lab(29.20, 28.46, -55.23)
CIE-LCH	lch(29.20, 62.13, 297.26°)
OKLab	oklab(40.09% 0.0008 -0.1595)
OKLCH	oklch(40.09% 0.159 270.3)
XYZ	xyz(8.4666, 5.9178, 32.1421)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3A9C #9C8C2A

analogous

#2A739C #2A3A9C #532A9C

triadic

#2A3A9C #9C2A3A #3A9C2A

tetradic

#2A3A9C #9C2A73 #9C8C2A #2A9C53

square

#2A3A9C #9C2A73 #9C8C2A #2A9C53

split-complementary

#2A3A9C #9C532A #739C2A

monochromatic

#10163C #1D286C #2A3A9C #394ECA #6A79D7

Accessibility & contrast

On white

9.62

#2A3A9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#2A3A9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3A9C

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3A9C	#FFFFFF	#000000	##FFFFFF
##2A3A9C	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9F

Deuteranopia (green-blind)

#00409A

Tritanopia (blue-blind)

#005365

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2a3a9c;
/* rgb */ color: rgb(42, 58, 156);
/* oklch */ color: oklch(40.1% 0.159 270.3);

Tailwind

colors: {
  custom: {
    50: '#7470ba',
    500: '#2a3a9c',
    950: '#000000',
  },
}

SCSS

$custom: #2a3a9c;
$custom-light: #7470ba;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3a9c",
  "rgb": {
    "r": 42,
    "g": 58,
    "b": 156
  },
  "hsl": {
    "h": 231.579,
    "s": 57.576,
    "l": 38.824
  },
  "oklch": {
    "l": 0.40087,
    "c": 0.15949,
    "h": 270.3
  },
  "luminance": 0.05919
}

Semantic roles & 50–950 ramp

primary

#2A3A9C

secondary

#BDB165

accent

#CB47E1

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2A3A9C

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

Preview Lab → · Contrast checker → · Palette generator →