#2B398F#2B398F

#2B398F is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.8% C 0.142 H 271.1°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#2B398F
RGB	rgb(43, 57, 143)
HSL	hsl(232, 54%, 36%)
HSV	hsv(232, 70%, 56%)
CMYK	cmyk(69.9%, 60.1%, 0%, 43.9%)
CIE-LAB	lab(27.91, 24.40, -49.39)
CIE-LCH	lch(27.91, 55.09, 296.30°)
OKLab	oklab(38.8% 0.0028 -0.1423)
OKLCH	oklch(38.8% 0.142 271.1)
XYZ	xyz(7.4156, 5.4223, 26.6371)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B398F #8F812B

analogous

#2B6B8F #2B398F #4F2B8F

triadic

#2B398F #8F2B39 #398F2B

tetradic

#2B398F #8F2B6B #8F812B #2B8F4F

square

#2B398F #8F2B6B #8F812B #2B8F4F

split-complementary

#2B398F #8F4F2B #6B8F2B

monochromatic

#0F1331 #1D2660 #2B398F #394CBE #6473D0

Accessibility & contrast

On white

10.07

#2B398F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2B398F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B398F

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B398F	#FFFFFF	#000000	##FFFFFF
##2B398F	1.00	10.07	2.08	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004792

Deuteranopia (green-blind)

#003D8D

Tritanopia (blue-blind)

#004E5E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2b398f;
/* rgb */ color: rgb(43, 57, 143);
/* oklch */ color: oklch(38.8% 0.142 271.1);

Tailwind

colors: {
  custom: {
    50: '#726fb1',
    500: '#2b398f',
    950: '#000000',
  },
}

SCSS

$custom: #2b398f;
$custom-light: #726fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b398f",
  "rgb": {
    "r": 43,
    "g": 57,
    "b": 143
  },
  "hsl": {
    "h": 231.6,
    "s": 53.763,
    "l": 36.471
  },
  "oklch": {
    "l": 0.38799,
    "c": 0.14235,
    "h": 271.1
  },
  "luminance": 0.05423
}

Semantic roles & 50–950 ramp

primary

#2B398F

secondary

#B7AA5F

accent

#C94BDD

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090711

muted

#7B7A80

Preview Lab

Preview with #2B398F

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

Preview Lab → · Contrast checker → · Palette generator →