#2A399E#2A399E

#2A399E is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.1% C 0.163 H 270.5°. Best body text is #FFFFFF at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#2A399E
RGB	rgb(42, 57, 158)
HSL	hsl(232, 58%, 39%)
HSV	hsv(232, 73%, 62%)
CMYK	cmyk(73.4%, 63.9%, 0%, 38%)
CIE-LAB	lab(29.12, 29.86, -56.58)
CIE-LCH	lch(29.12, 63.97, 297.83°)
OKLab	oklab(40.08% 0.0015 -0.1635)
OKLCH	oklch(40.08% 0.163 270.5)
XYZ	xyz(8.5874, 5.8862, 33.0247)
Luminance	0.0589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A399E #9E8F2A

analogous

#2A739E #2A399E #552A9E

triadic

#2A399E #9E2A39 #399E2A

tetradic

#2A399E #9E2A73 #9E8F2A #2A9E55

square

#2A399E #9E2A73 #9E8F2A #2A9E55

split-complementary

#2A399E #9E552A #739E2A

monochromatic

#10163D #1D286E #2A399E #3A4DCB #6B79D8

Accessibility & contrast

On white

9.64

#2A399E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#2A399E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A399E

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A399E	#FFFFFF	#000000	##FFFFFF
##2A399E	1.00	9.64	2.18	9.64
#FFFFFF	9.64	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA1

Deuteranopia (green-blind)

#003F9C

Tritanopia (blue-blind)

#005366

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2a399e;
/* rgb */ color: rgb(42, 57, 158);
/* oklch */ color: oklch(40.1% 0.163 270.5);

Tailwind

colors: {
  custom: {
    50: '#756fbc',
    500: '#2a399e',
    950: '#000000',
  },
}

SCSS

$custom: #2a399e;
$custom-light: #756fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a399e",
  "rgb": {
    "r": 42,
    "g": 57,
    "b": 158
  },
  "hsl": {
    "h": 232.241,
    "s": 58,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40082,
    "c": 0.16346,
    "h": 270.5
  },
  "luminance": 0.05887
}

Semantic roles & 50–950 ramp

primary

#2A399E

secondary

#BEB366

accent

#CD47E1

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2A399E

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

Preview Lab → · Contrast checker → · Palette generator →