#2A399D#2A399D

#2A399D is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.0% C 0.162 H 270.5°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#2A399D
RGB	rgb(42, 57, 157)
HSL	hsl(232, 58%, 39%)
HSV	hsv(232, 73%, 62%)
CMYK	cmyk(73.2%, 63.7%, 0%, 38.4%)
CIE-LAB	lab(29.04, 29.49, -56.11)
CIE-LCH	lch(29.04, 63.39, 297.72°)
OKLab	oklab(39.99% 0.0015 -0.1621)
OKLCH	oklch(39.99% 0.162 270.5)
XYZ	xyz(8.5017, 5.8519, 32.5732)
Luminance	0.0585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A399D #9D8E2A

analogous

#2A739D #2A399D #552A9D

triadic

#2A399D #9D2A39 #399D2A

tetradic

#2A399D #9D2A73 #9D8E2A #2A9D55

square

#2A399D #9D2A73 #9D8E2A #2A9D55

split-complementary

#2A399D #9D552A #739D2A

monochromatic

#10163C #1D276D #2A399D #3A4DCA #6A78D7

Accessibility & contrast

On white

9.67

#2A399D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2A399D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A399D

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A399D	#FFFFFF	#000000	##FFFFFF
##2A399D	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA0

Deuteranopia (green-blind)

#003F9B

Tritanopia (blue-blind)

#005365

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a399d;
/* rgb */ color: rgb(42, 57, 157);
/* oklch */ color: oklch(40.0% 0.162 270.5);

Tailwind

colors: {
  custom: {
    50: '#756fbb',
    500: '#2a399d',
    950: '#000000',
  },
}

SCSS

$custom: #2a399d;
$custom-light: #756fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a399d",
  "rgb": {
    "r": 42,
    "g": 57,
    "b": 157
  },
  "hsl": {
    "h": 232.174,
    "s": 57.789,
    "l": 39.02
  },
  "oklch": {
    "l": 0.3999,
    "c": 0.1621,
    "h": 270.5
  },
  "luminance": 0.05853
}

Semantic roles & 50–950 ramp

primary

#2A399D

secondary

#BEB265

accent

#CD47E1

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2A399D

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

Preview Lab → · Contrast checker → · Palette generator →