#2A3A9D#2A3A9D

#2A3A9D is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.2% C 0.161 H 270.3°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#2A3A9D
RGB	rgb(42, 58, 157)
HSL	hsl(232, 58%, 39%)
HSV	hsv(232, 73%, 62%)
CMYK	cmyk(73.2%, 63.1%, 0%, 38.4%)
CIE-LAB	lab(29.29, 28.83, -55.70)
CIE-LCH	lch(29.29, 62.72, 297.37°)
OKLab	oklab(40.18% 0.0008 -0.1609)
OKLCH	oklch(40.18% 0.161 270.3)
XYZ	xyz(8.5516, 5.9518, 32.5899)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A3A9D #9D8D2A

analogous

#2A749D #2A3A9D #542A9D

triadic

#2A3A9D #9D2A3A #3A9D2A

tetradic

#2A3A9D #9D2A74 #9D8D2A #2A9D54

square

#2A3A9D #9D2A74 #9D8D2A #2A9D54

split-complementary

#2A3A9D #9D542A #749D2A

monochromatic

#10163C #1D286D #2A3A9D #3A4ECA #6A79D7

Accessibility & contrast

On white

9.59

#2A3A9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2A3A9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A3A9D

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A3A9D	#FFFFFF	#000000	##FFFFFF
##2A3A9D	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA0

Deuteranopia (green-blind)

#00409B

Tritanopia (blue-blind)

#005366

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2a3a9d;
/* rgb */ color: rgb(42, 58, 157);
/* oklch */ color: oklch(40.2% 0.161 270.3);

Tailwind

colors: {
  custom: {
    50: '#7470bb',
    500: '#2a3a9d',
    950: '#000000',
  },
}

SCSS

$custom: #2a3a9d;
$custom-light: #7470bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a3a9d",
  "rgb": {
    "r": 42,
    "g": 58,
    "b": 157
  },
  "hsl": {
    "h": 231.652,
    "s": 57.789,
    "l": 39.02
  },
  "oklch": {
    "l": 0.40178,
    "c": 0.16086,
    "h": 270.3
  },
  "luminance": 0.05953
}

Semantic roles & 50–950 ramp

primary

#2A3A9D

secondary

#BEB165

accent

#CC47E1

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2A3A9D

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

Preview Lab → · Contrast checker → · Palette generator →