#2B379C#2B379C

#2B379C is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.6% C 0.163 H 271.4°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#2B379C
RGB	rgb(43, 55, 156)
HSL	hsl(234, 57%, 39%)
HSV	hsv(234, 72%, 61%)
CMYK	cmyk(72.4%, 64.7%, 0%, 38.8%)
CIE-LAB	lab(28.50, 30.56, -56.38)
CIE-LCH	lch(28.50, 64.13, 298.46°)
OKLab	oklab(39.58% 0.004 -0.1629)
OKLCH	oklch(39.58% 0.163 271.4)
XYZ	xyz(8.3612, 5.6454, 32.0951)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B379C #9C902B

analogous

#2B709C #2B379C #582B9C

triadic

#2B379C #9C2B37 #379C2B

tetradic

#2B379C #9C2B70 #9C902B #2B9C58

square

#2B379C #9C2B70 #9C902B #2B9C58

split-complementary

#2B379C #9C582B #709C2B

monochromatic

#11153C #1E266C #2B379C #3B4AC9 #6B77D6

Accessibility & contrast

On white

9.86

#2B379C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2B379C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B379C

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B379C	#FFFFFF	#000000	##FFFFFF
##2B379C	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499F

Deuteranopia (green-blind)

#003E9A

Tritanopia (blue-blind)

#005164

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2b379c;
/* rgb */ color: rgb(43, 55, 156);
/* oklch */ color: oklch(39.6% 0.163 271.4);

Tailwind

colors: {
  custom: {
    50: '#756eba',
    500: '#2b379c',
    950: '#000000',
  },
}

SCSS

$custom: #2b379c;
$custom-light: #756eba;
$custom-dark: #000000;

JSON

{
  "hex": "#2b379c",
  "rgb": {
    "r": 43,
    "g": 55,
    "b": 156
  },
  "hsl": {
    "h": 233.628,
    "s": 56.784,
    "l": 39.02
  },
  "oklch": {
    "l": 0.39584,
    "c": 0.16291,
    "h": 271.4
  },
  "luminance": 0.05646
}

Semantic roles & 50–950 ramp

primary

#2B379C

secondary

#BDB466

accent

#D048E0

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2B379C

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

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