#2A389A#2A389A

#2A389A is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.5% C 0.159 H 270.8°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#2A389A
RGB	rgb(42, 56, 154)
HSL	hsl(233, 57%, 38%)
HSV	hsv(233, 73%, 60%)
CMYK	cmyk(72.7%, 63.6%, 0%, 39.6%)
CIE-LAB	lab(28.52, 29.04, -55.13)
CIE-LCH	lch(28.52, 62.31, 297.78°)
OKLab	oklab(39.53% 0.0023 -0.1592)
OKLCH	oklch(39.53% 0.159 270.8)
XYZ	xyz(8.1998, 5.6529, 31.2246)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A389A #9A8C2A

analogous

#2A709A #2A389A #542A9A

triadic

#2A389A #9A2A38 #389A2A

tetradic

#2A389A #9A2A70 #9A8C2A #2A9A54

square

#2A389A #9A2A70 #9A8C2A #2A9A54

split-complementary

#2A389A #9A542A #709A2A

monochromatic

#10153A #1D276A #2A389A #384AC9 #6876D6

Accessibility & contrast

On white

9.86

#2A389A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2A389A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A389A

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A389A	#FFFFFF	#000000	##FFFFFF
##2A389A	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499D

Deuteranopia (green-blind)

#003E98

Tritanopia (blue-blind)

#005163

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2a389a;
/* rgb */ color: rgb(42, 56, 154);
/* oklch */ color: oklch(39.5% 0.159 270.8);

Tailwind

colors: {
  custom: {
    50: '#746eb9',
    500: '#2a389a',
    950: '#000000',
  },
}

SCSS

$custom: #2a389a;
$custom-light: #746eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2a389a",
  "rgb": {
    "r": 42,
    "g": 56,
    "b": 154
  },
  "hsl": {
    "h": 232.5,
    "s": 57.143,
    "l": 38.431
  },
  "oklch": {
    "l": 0.39528,
    "c": 0.15924,
    "h": 270.8
  },
  "luminance": 0.05654
}

Semantic roles & 50–950 ramp

primary

#2A389A

secondary

#BCB163

accent

#CD47E0

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2A389A

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

Preview Lab → · Contrast checker → · Palette generator →