#2A389D#2A389D

#2A389D is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.8% C 0.163 H 270.8°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#2A389D
RGB	rgb(42, 56, 157)
HSL	hsl(233, 58%, 39%)
HSV	hsv(233, 73%, 62%)
CMYK	cmyk(73.2%, 64.3%, 0%, 38.4%)
CIE-LAB	lab(28.78, 30.15, -56.53)
CIE-LCH	lch(28.78, 64.06, 298.07°)
OKLab	oklab(39.8% 0.0022 -0.1633)
OKLCH	oklch(39.8% 0.163 270.8)
XYZ	xyz(8.4528, 5.7540, 32.5569)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A389D #9D8F2A

analogous

#2A729D #2A389D #562A9D

triadic

#2A389D #9D2A38 #389D2A

tetradic

#2A389D #9D2A72 #9D8F2A #2A9D56

square

#2A389D #9D2A72 #9D8F2A #2A9D56

split-complementary

#2A389D #9D562A #729D2A

monochromatic

#10163C #1D276D #2A389D #3A4BCA #6A77D7

Accessibility & contrast

On white

9.76

#2A389D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2A389D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A389D

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A389D	#FFFFFF	#000000	##FFFFFF
##2A389D	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A0

Deuteranopia (green-blind)

#003F9B

Tritanopia (blue-blind)

#005265

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2a389d;
/* rgb */ color: rgb(42, 56, 157);
/* oklch */ color: oklch(39.8% 0.163 270.8);

Tailwind

colors: {
  custom: {
    50: '#756ebb',
    500: '#2a389d',
    950: '#000000',
  },
}

SCSS

$custom: #2a389d;
$custom-light: #756ebb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a389d",
  "rgb": {
    "r": 42,
    "g": 56,
    "b": 157
  },
  "hsl": {
    "h": 232.696,
    "s": 57.789,
    "l": 39.02
  },
  "oklch": {
    "l": 0.39804,
    "c": 0.16332,
    "h": 270.8
  },
  "luminance": 0.05755
}

Semantic roles & 50–950 ramp

primary

#2A389D

secondary

#BEB365

accent

#CE47E1

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2A389D

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

Preview Lab → · Contrast checker → · Palette generator →