#2B398D#2B398D

#2B398D is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.6% C 0.140 H 271.1°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#2B398D
RGB	rgb(43, 57, 141)
HSL	hsl(231, 53%, 36%)
HSV	hsv(231, 70%, 55%)
CMYK	cmyk(69.5%, 59.6%, 0%, 44.7%)
CIE-LAB	lab(27.74, 23.65, -48.42)
CIE-LCH	lch(27.74, 53.89, 296.04°)
OKLab	oklab(38.63% 0.0028 -0.1395)
OKLCH	oklch(38.63% 0.14 271.1)
XYZ	xyz(7.2655, 5.3622, 25.8463)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B398D #8D7F2B

analogous

#2B6A8D #2B398D #4E2B8D

triadic

#2B398D #8D2B39 #398D2B

tetradic

#2B398D #8D2B6A #8D7F2B #2B8D4E

square

#2B398D #8D2B6A #8D7F2B #2B8D4E

split-complementary

#2B398D #8D4E2B #6A8D2B

monochromatic

#0E132F #1D265E #2B398D #394CBC #6372CF

Accessibility & contrast

On white

10.13

#2B398D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2B398D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B398D

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B398D	#FFFFFF	#000000	##FFFFFF
##2B398D	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	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: #2b398d;
/* rgb */ color: rgb(43, 57, 141);
/* oklch */ color: oklch(38.6% 0.140 271.1);

Tailwind

colors: {
  custom: {
    50: '#716faf',
    500: '#2b398d',
    950: '#000000',
  },
}

SCSS

$custom: #2b398d;
$custom-light: #716faf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b398d",
  "rgb": {
    "r": 43,
    "g": 57,
    "b": 141
  },
  "hsl": {
    "h": 231.429,
    "s": 53.261,
    "l": 36.078
  },
  "oklch": {
    "l": 0.38627,
    "c": 0.1395,
    "h": 271.1
  },
  "luminance": 0.05363
}

Semantic roles & 50–950 ramp

primary

#2B398D

secondary

#B6A95E

accent

#C84BDD

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2B398D

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

Preview Lab → · Contrast checker → · Palette generator →