#2B398E#2B398E

#2B398E is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.7% C 0.141 H 271.1°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#2B398E
RGB	rgb(43, 57, 142)
HSL	hsl(232, 54%, 36%)
HSV	hsv(232, 70%, 56%)
CMYK	cmyk(69.7%, 59.9%, 0%, 44.3%)
CIE-LAB	lab(27.82, 24.03, -48.90)
CIE-LCH	lch(27.82, 54.49, 296.17°)
OKLab	oklab(38.71% 0.0028 -0.1409)
OKLCH	oklch(38.71% 0.141 271.1)
XYZ	xyz(7.3402, 5.3921, 26.2399)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B398E #8E802B

analogous

#2B6B8E #2B398E #4F2B8E

triadic

#2B398E #8E2B39 #398E2B

tetradic

#2B398E #8E2B6B #8E802B #2B8E4F

square

#2B398E #8E2B6B #8E802B #2B8E4F

split-complementary

#2B398E #8E4F2B #6B8E2B

monochromatic

#0F1330 #1D265F #2B398E #394CBD #6373D0

Accessibility & contrast

On white

10.10

#2B398E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#2B398E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B398E

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B398E	#FFFFFF	#000000	##FFFFFF
##2B398E	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	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: #2b398e;
/* rgb */ color: rgb(43, 57, 142);
/* oklch */ color: oklch(38.7% 0.141 271.1);

Tailwind

colors: {
  custom: {
    50: '#716fb0',
    500: '#2b398e',
    950: '#000000',
  },
}

SCSS

$custom: #2b398e;
$custom-light: #716fb0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b398e",
  "rgb": {
    "r": 43,
    "g": 57,
    "b": 142
  },
  "hsl": {
    "h": 231.515,
    "s": 53.514,
    "l": 36.275
  },
  "oklch": {
    "l": 0.38713,
    "c": 0.14092,
    "h": 271.1
  },
  "luminance": 0.05393
}

Semantic roles & 50–950 ramp

primary

#2B398E

secondary

#B6AA5F

accent

#C84BDD

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2B398E

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

Preview Lab → · Contrast checker → · Palette generator →