#2C397F#2C397F

#2C397F is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.5% C 0.119 H 271.6°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#2C397F
RGB	rgb(44, 57, 127)
HSL	hsl(231, 49%, 34%)
HSV	hsv(231, 65%, 50%)
CMYK	cmyk(65.4%, 55.1%, 0%, 50.2%)
CIE-LAB	lab(26.72, 18.56, -41.36)
CIE-LCH	lch(26.72, 45.34, 294.17°)
OKLab	oklab(37.53% 0.0033 -0.1187)
OKLCH	oklch(37.53% 0.119 271.6)
XYZ	xyz(6.3313, 4.9935, 20.7047)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C397F #7F722C

analogous

#2C627F #2C397F #482C7F

triadic

#2C397F #7F2C39 #397F2C

tetradic

#2C397F #7F2C62 #7F722C #2C7F48

square

#2C397F #7F2C62 #7F722C #2C7F48

split-complementary

#2C397F #7F482C #627F2C

monochromatic

#0D1024 #1C2552 #2C397F #3C4DAC #5E6FC7

Accessibility & contrast

On white

10.51

#2C397F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2C397F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C397F

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C397F	#FFFFFF	#000000	##FFFFFF
##2C397F	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B4381

Deuteranopia (green-blind)

#003C7E

Tritanopia (blue-blind)

#004956

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2c397f;
/* rgb */ color: rgb(44, 57, 127);
/* oklch */ color: oklch(37.5% 0.119 271.6);

Tailwind

colors: {
  custom: {
    50: '#6f6fa5',
    500: '#2c397f',
    950: '#000000',
  },
}

SCSS

$custom: #2c397f;
$custom-light: #6f6fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#2c397f",
  "rgb": {
    "r": 44,
    "g": 57,
    "b": 127
  },
  "hsl": {
    "h": 230.602,
    "s": 48.538,
    "l": 33.529
  },
  "oklch": {
    "l": 0.37531,
    "c": 0.11874,
    "h": 271.6
  },
  "luminance": 0.04994
}

Semantic roles & 50–950 ramp

primary

#2C397F

secondary

#ADA059

accent

#C350D8

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2C397F

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

Preview Lab → · Contrast checker → · Palette generator →