#2A399C#2A399C

#2A399C is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.9% C 0.161 H 270.5°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#2A399C
RGB	rgb(42, 57, 156)
HSL	hsl(232, 58%, 39%)
HSV	hsv(232, 73%, 61%)
CMYK	cmyk(73.1%, 63.5%, 0%, 38.8%)
CIE-LAB	lab(28.95, 29.12, -55.65)
CIE-LCH	lch(28.95, 62.81, 297.62°)
OKLab	oklab(39.9% 0.0015 -0.1607)
OKLCH	oklch(39.9% 0.161 270.5)
XYZ	xyz(8.4167, 5.8179, 32.1254)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A399C #9C8D2A

analogous

#2A729C #2A399C #542A9C

triadic

#2A399C #9C2A39 #399C2A

tetradic

#2A399C #9C2A72 #9C8D2A #2A9C54

square

#2A399C #9C2A72 #9C8D2A #2A9C54

split-complementary

#2A399C #9C542A #729C2A

monochromatic

#10163C #1D276C #2A399C #394CCA #6A78D7

Accessibility & contrast

On white

9.71

#2A399C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2A399C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A399C

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A399C	#FFFFFF	#000000	##FFFFFF
##2A399C	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9F

Deuteranopia (green-blind)

#003F9A

Tritanopia (blue-blind)

#005265

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a399c;
/* rgb */ color: rgb(42, 57, 156);
/* oklch */ color: oklch(39.9% 0.161 270.5);

Tailwind

colors: {
  custom: {
    50: '#746fba',
    500: '#2a399c',
    950: '#000000',
  },
}

SCSS

$custom: #2a399c;
$custom-light: #746fba;
$custom-dark: #000000;

JSON

{
  "hex": "#2a399c",
  "rgb": {
    "r": 42,
    "g": 57,
    "b": 156
  },
  "hsl": {
    "h": 232.105,
    "s": 57.576,
    "l": 38.824
  },
  "oklch": {
    "l": 0.39899,
    "c": 0.16073,
    "h": 270.5
  },
  "luminance": 0.05819
}

Semantic roles & 50–950 ramp

primary

#2A399C

secondary

#BDB265

accent

#CD47E1

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2A399C

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

Preview Lab → · Contrast checker → · Palette generator →