#2A398D#2A398D

#2A398D is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.6% C 0.140 H 270.7°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#2A398D
RGB	rgb(42, 57, 141)
HSL	hsl(231, 54%, 36%)
HSV	hsv(231, 70%, 55%)
CMYK	cmyk(70.2%, 59.6%, 0%, 44.7%)
CIE-LAB	lab(27.68, 23.50, -48.51)
CIE-LCH	lch(27.68, 53.91, 295.85°)
OKLab	oklab(38.57% 0.0017 -0.1398)
OKLCH	oklch(38.57% 0.14 270.7)
XYZ	xyz(7.2241, 5.3409, 25.8443)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A398D #8D7E2A

analogous

#2A6A8D #2A398D #4C2A8D

triadic

#2A398D #8D2A39 #398D2A

tetradic

#2A398D #8D2A6A #8D7E2A #2A8D4C

square

#2A398D #8D2A6A #8D7E2A #2A8D4C

split-complementary

#2A398D #8D4C2A #6A8D2A

monochromatic

#0E132F #1C265E #2A398D #384CBC #6172D0

Accessibility & contrast

On white

10.15

#2A398D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2A398D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A398D

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A398D	#FFFFFF	#000000	##FFFFFF
##2A398D	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004690

Deuteranopia (green-blind)

#003D8B

Tritanopia (blue-blind)

#004E5D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2a398d;
/* rgb */ color: rgb(42, 57, 141);
/* oklch */ color: oklch(38.6% 0.140 270.7);

Tailwind

colors: {
  custom: {
    50: '#716faf',
    500: '#2a398d',
    950: '#000000',
  },
}

SCSS

$custom: #2a398d;
$custom-light: #716faf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a398d",
  "rgb": {
    "r": 42,
    "g": 57,
    "b": 141
  },
  "hsl": {
    "h": 230.909,
    "s": 54.098,
    "l": 35.882
  },
  "oklch": {
    "l": 0.38568,
    "c": 0.13979,
    "h": 270.7
  },
  "luminance": 0.05342
}

Semantic roles & 50–950 ramp

primary

#2A398D

secondary

#B6A85D

accent

#C74ADD

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2A398D

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

Preview Lab → · Contrast checker → · Palette generator →