#2A389B#2A389B

#2A389B is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.6% C 0.161 H 270.8°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#2A389B
RGB	rgb(42, 56, 155)
HSL	hsl(233, 57%, 39%)
HSV	hsv(233, 73%, 61%)
CMYK	cmyk(72.9%, 63.9%, 0%, 39.2%)
CIE-LAB	lab(28.61, 29.41, -55.60)
CIE-LCH	lch(28.61, 62.90, 297.88°)
OKLab	oklab(39.62% 0.0023 -0.1606)
OKLCH	oklch(39.62% 0.161 270.8)
XYZ	xyz(8.2834, 5.6863, 31.6650)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A389B #9B8D2A

analogous

#2A709B #2A389B #542A9B

triadic

#2A389B #9B2A38 #389B2A

tetradic

#2A389B #9B2A70 #9B8D2A #2A9B54

square

#2A389B #9B2A70 #9B8D2A #2A9B54

split-complementary

#2A389B #9B542A #709B2A

monochromatic

#10153B #1D276B #2A389B #394BC9 #6977D6

Accessibility & contrast

On white

9.83

#2A389B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2A389B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A389B

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A389B	#FFFFFF	#000000	##FFFFFF
##2A389B	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499E

Deuteranopia (green-blind)

#003E99

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2a389b;
/* rgb */ color: rgb(42, 56, 155);
/* oklch */ color: oklch(39.6% 0.161 270.8);

Tailwind

colors: {
  custom: {
    50: '#746eb9',
    500: '#2a389b',
    950: '#000000',
  },
}

SCSS

$custom: #2a389b;
$custom-light: #746eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a389b",
  "rgb": {
    "r": 42,
    "g": 56,
    "b": 155
  },
  "hsl": {
    "h": 232.566,
    "s": 57.36,
    "l": 38.627
  },
  "oklch": {
    "l": 0.3962,
    "c": 0.1606,
    "h": 270.8
  },
  "luminance": 0.05687
}

Semantic roles & 50–950 ramp

primary

#2A389B

secondary

#BDB264

accent

#CE47E1

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2A389B

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

Preview Lab → · Contrast checker → · Palette generator →