#2B398B#2B398B

#2B398B is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.5% C 0.137 H 271.1°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#2B398B
RGB	rgb(43, 57, 139)
HSL	hsl(231, 53%, 36%)
HSV	hsv(231, 69%, 55%)
CMYK	cmyk(69.1%, 59%, 0%, 45.5%)
CIE-LAB	lab(27.58, 22.90, -47.44)
CIE-LCH	lch(27.58, 52.68, 295.77°)
OKLab	oklab(38.46% 0.0027 -0.1366)
OKLCH	oklch(38.46% 0.137 271.1)
XYZ	xyz(7.1180, 5.3033, 25.0696)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B398B #8B7D2B

analogous

#2B698B #2B398B #4D2B8B

triadic

#2B398B #8B2B39 #398B2B

tetradic

#2B398B #8B2B69 #8B7D2B #2B8B4D

square

#2B398B #8B2B69 #8B7D2B #2B8B4D

split-complementary

#2B398B #8B4D2B #698B2B

monochromatic

#0E132E #1D265C #2B398B #394CBA #6272CE

Accessibility & contrast

On white

10.19

#2B398B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2B398B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B398B

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B398B	#FFFFFF	#000000	##FFFFFF
##2B398B	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468E

Deuteranopia (green-blind)

#003D89

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2b398b;
/* rgb */ color: rgb(43, 57, 139);
/* oklch */ color: oklch(38.5% 0.137 271.1);

Tailwind

colors: {
  custom: {
    50: '#716fae',
    500: '#2b398b',
    950: '#000000',
  },
}

SCSS

$custom: #2b398b;
$custom-light: #716fae;
$custom-dark: #000000;

JSON

{
  "hex": "#2b398b",
  "rgb": {
    "r": 43,
    "g": 57,
    "b": 139
  },
  "hsl": {
    "h": 231.25,
    "s": 52.747,
    "l": 35.686
  },
  "oklch": {
    "l": 0.38457,
    "c": 0.13663,
    "h": 271.1
  },
  "luminance": 0.05304
}

Semantic roles & 50–950 ramp

primary

#2B398B

secondary

#B5A85D

accent

#C74CDC

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2B398B

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

Preview Lab → · Contrast checker → · Palette generator →