#2B379F#2B379F

#2B379F is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.9% C 0.167 H 271.3°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#2B379F
RGB	rgb(43, 55, 159)
HSL	hsl(234, 57%, 40%)
HSV	hsv(234, 73%, 62%)
CMYK	cmyk(73%, 65.4%, 0%, 37.6%)
CIE-LAB	lab(28.77, 31.66, -57.76)
CIE-LCH	lch(28.77, 65.87, 298.73°)
OKLab	oklab(39.86% 0.0039 -0.1669)
OKLCH	oklch(39.86% 0.167 271.3)
XYZ	xyz(8.6183, 5.7483, 33.4495)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B379F #9F932B

analogous

#2B719F #2B379F #592B9F

triadic

#2B379F #9F2B37 #379F2B

tetradic

#2B379F #9F2B71 #9F932B #2B9F59

square

#2B379F #9F2B71 #9F932B #2B9F59

split-complementary

#2B379F #9F592B #719F2B

monochromatic

#11163F #1E266F #2B379F #3D4BCA #6D78D7

Accessibility & contrast

On white

9.77

#2B379F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2B379F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B379F

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B379F	#FFFFFF	#000000	##FFFFFF
##2B379F	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A2

Deuteranopia (green-blind)

#003E9D

Tritanopia (blue-blind)

#005266

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b379f;
/* rgb */ color: rgb(43, 55, 159);
/* oklch */ color: oklch(39.9% 0.167 271.3);

Tailwind

colors: {
  custom: {
    50: '#766ebc',
    500: '#2b379f',
    950: '#000000',
  },
}

SCSS

$custom: #2b379f;
$custom-light: #766ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b379f",
  "rgb": {
    "r": 43,
    "g": 55,
    "b": 159
  },
  "hsl": {
    "h": 233.793,
    "s": 57.426,
    "l": 39.608
  },
  "oklch": {
    "l": 0.39863,
    "c": 0.16695,
    "h": 271.3
  },
  "luminance": 0.05749
}

Semantic roles & 50–950 ramp

primary

#2B379F

secondary

#BEB567

accent

#D147E1

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B379F

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

Preview Lab → · Contrast checker → · Palette generator →