#2C399B#2C399B

#2C399B is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.9% C 0.159 H 271.3°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#2C399B
RGB	rgb(44, 57, 155)
HSL	hsl(233, 56%, 39%)
HSV	hsv(233, 72%, 61%)
CMYK	cmyk(71.6%, 63.2%, 0%, 39.2%)
CIE-LAB	lab(28.97, 29.01, -54.99)
CIE-LCH	lch(28.97, 62.18, 297.81°)
OKLab	oklab(39.92% 0.0037 -0.1588)
OKLCH	oklch(39.92% 0.159 271.3)
XYZ	xyz(8.4162, 5.8275, 31.6853)
Luminance	0.0583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C399B #9B8E2C

analogous

#2C719B #2C399B #572C9B

triadic

#2C399B #9B2C39 #399B2C

tetradic

#2C399B #9B2C71 #9B8E2C #2C9B57

square

#2C399B #9B2C71 #9B8E2C #2C9B57

split-complementary

#2C399B #9B572C #719B2C

monochromatic

#11163C #1E276B #2C399B #3C4DC8 #6C78D5

Accessibility & contrast

On white

9.70

#2C399B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2C399B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C399B

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C399B	#FFFFFF	#000000	##FFFFFF
##2C399B	1.00	9.70	2.17	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9E

Deuteranopia (green-blind)

#003F99

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2c399b;
/* rgb */ color: rgb(44, 57, 155);
/* oklch */ color: oklch(39.9% 0.159 271.3);

Tailwind

colors: {
  custom: {
    50: '#756fb9',
    500: '#2c399b',
    950: '#000000',
  },
}

SCSS

$custom: #2c399b;
$custom-light: #756fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c399b",
  "rgb": {
    "r": 44,
    "g": 57,
    "b": 155
  },
  "hsl": {
    "h": 232.973,
    "s": 55.779,
    "l": 39.02
  },
  "oklch": {
    "l": 0.3992,
    "c": 0.1588,
    "h": 271.3
  },
  "luminance": 0.05828
}

Semantic roles & 50–950 ramp

primary

#2C399B

secondary

#BCB267

accent

#CD49DF

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2C399B

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

Preview Lab → · Contrast checker → · Palette generator →