#2C399F#2C399F

#2C399F is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.3% C 0.164 H 271.2°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#2C399F
RGB	rgb(44, 57, 159)
HSL	hsl(233, 57%, 40%)
HSV	hsv(233, 72%, 62%)
CMYK	cmyk(72.3%, 64.2%, 0%, 37.6%)
CIE-LAB	lab(29.32, 30.48, -56.86)
CIE-LCH	lch(29.32, 64.51, 298.20°)
OKLab	oklab(40.28% 0.0035 -0.1642)
OKLCH	oklch(40.28% 0.164 271.2)
XYZ	xyz(8.7577, 5.9641, 33.4838)
Luminance	0.0597 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C399F #9F922C

analogous

#2C739F #2C399F #582C9F

triadic

#2C399F #9F2C39 #399F2C

tetradic

#2C399F #9F2C73 #9F922C #2C9F58

square

#2C399F #9F2C73 #9F922C #2C9F58

split-complementary

#2C399F #9F582C #739F2C

monochromatic

#11173F #1F286F #2C399F #3E4ECA #6E7AD7

Accessibility & contrast

On white

9.58

#2C399F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2C399F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C399F

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C399F	#FFFFFF	#000000	##FFFFFF
##2C399F	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA2

Deuteranopia (green-blind)

#00409D

Tritanopia (blue-blind)

#005366

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2c399f;
/* rgb */ color: rgb(44, 57, 159);
/* oklch */ color: oklch(40.3% 0.164 271.2);

Tailwind

colors: {
  custom: {
    50: '#766fbc',
    500: '#2c399f',
    950: '#000000',
  },
}

SCSS

$custom: #2c399f;
$custom-light: #766fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#2c399f",
  "rgb": {
    "r": 44,
    "g": 57,
    "b": 159
  },
  "hsl": {
    "h": 233.217,
    "s": 56.65,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40284,
    "c": 0.16426,
    "h": 271.2
  },
  "luminance": 0.05965
}

Semantic roles & 50–950 ramp

primary

#2C399F

secondary

#BEB469

accent

#CF48E0

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2C399F

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

Preview Lab → · Contrast checker → · Palette generator →