#2C307F#2C307F

#2C307F is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.7% C 0.131 H 275.3°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#2C307F
RGB	rgb(44, 48, 127)
HSL	hsl(237, 49%, 34%)
HSV	hsv(237, 65%, 50%)
CMYK	cmyk(65.4%, 62.2%, 0%, 50.2%)
CIE-LAB	lab(24.26, 24.71, -45.34)
CIE-LCH	lch(24.26, 51.64, 298.59°)
OKLab	oklab(35.7% 0.0122 -0.1305)
OKLCH	oklch(35.7% 0.131 275.3)
XYZ	xyz(5.9252, 4.1812, 20.5694)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C307F #7F7B2C

analogous

#2C597F #2C307F #512C7F

triadic

#2C307F #7F2C30 #307F2C

tetradic

#2C307F #7F2C59 #7F7B2C #2C7F51

square

#2C307F #7F2C59 #7F7B2C #2C7F51

split-complementary

#2C307F #7F512C #597F2C

monochromatic

#0D0E24 #1C1F52 #2C307F #3C41AC #5E63C7

Accessibility & contrast

On white

11.44

#2C307F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#2C307F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C307F

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C307F	#FFFFFF	#000000	##FFFFFF
##2C307F	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D82

Deuteranopia (green-blind)

#00367D

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2c307f;
/* rgb */ color: rgb(44, 48, 127);
/* oklch */ color: oklch(35.7% 0.131 275.3);

Tailwind

colors: {
  custom: {
    50: '#6f68a5',
    500: '#2c307f',
    950: '#000000',
  },
}

SCSS

$custom: #2c307f;
$custom-light: #6f68a5;
$custom-dark: #000000;

JSON

{
  "hex": "#2c307f",
  "rgb": {
    "r": 44,
    "g": 48,
    "b": 127
  },
  "hsl": {
    "h": 237.108,
    "s": 48.538,
    "l": 33.529
  },
  "oklch": {
    "l": 0.35701,
    "c": 0.13107,
    "h": 275.3
  },
  "luminance": 0.04182
}

Semantic roles & 50–950 ramp

primary

#2C307F

secondary

#ADA959

accent

#D250D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2C307F

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

Preview Lab → · Contrast checker → · Palette generator →