#2A398E#2A398E

#2A398E is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.7% C 0.141 H 270.7°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#2A398E
RGB	rgb(42, 57, 142)
HSL	hsl(231, 54%, 36%)
HSV	hsv(231, 70%, 56%)
CMYK	cmyk(70.4%, 59.9%, 0%, 44.3%)
CIE-LAB	lab(27.77, 23.88, -49.00)
CIE-LCH	lch(27.77, 54.51, 295.98°)
OKLab	oklab(38.65% 0.0017 -0.1412)
OKLCH	oklch(38.65% 0.141 270.7)
XYZ	xyz(7.2988, 5.3708, 26.2380)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A398E #8E7F2A

analogous

#2A6B8E #2A398E #4D2A8E

triadic

#2A398E #8E2A39 #398E2A

tetradic

#2A398E #8E2A6B #8E7F2A #2A8E4D

square

#2A398E #8E2A6B #8E7F2A #2A8E4D

split-complementary

#2A398E #8E4D2A #6B8E2A

monochromatic

#0E1330 #1C265F #2A398E #384CBD #6272D1

Accessibility & contrast

On white

10.12

#2A398E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2A398E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A398E

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A398E	#FFFFFF	#000000	##FFFFFF
##2A398E	1.00	10.12	2.07	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004691

Deuteranopia (green-blind)

#003D8C

Tritanopia (blue-blind)

#004E5D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2a398e;
/* rgb */ color: rgb(42, 57, 142);
/* oklch */ color: oklch(38.7% 0.141 270.7);

Tailwind

colors: {
  custom: {
    50: '#716fb0',
    500: '#2a398e',
    950: '#000000',
  },
}

SCSS

$custom: #2a398e;
$custom-light: #716fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#2a398e",
  "rgb": {
    "r": 42,
    "g": 57,
    "b": 142
  },
  "hsl": {
    "h": 231,
    "s": 54.348,
    "l": 36.078
  },
  "oklch": {
    "l": 0.38654,
    "c": 0.14121,
    "h": 270.7
  },
  "luminance": 0.05371
}

Semantic roles & 50–950 ramp

primary

#2A398E

secondary

#B6A95D

accent

#C84ADE

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2A398E

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

Preview Lab → · Contrast checker → · Palette generator →