#2C307A#2C307A

#2C307A is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.3% C 0.124 H 275.7°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#2C307A
RGB	rgb(44, 48, 122)
HSL	hsl(237, 47%, 33%)
HSV	hsv(237, 64%, 48%)
CMYK	cmyk(63.9%, 60.7%, 0%, 52.2%)
CIE-LAB	lab(23.85, 22.88, -42.85)
CIE-LCH	lch(23.85, 48.58, 298.10°)
OKLab	oklab(35.27% 0.0123 -0.1232)
OKLCH	oklch(35.27% 0.124 275.7)
XYZ	xyz(5.6074, 4.0541, 18.8956)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C307A #7A762C

analogous

#2C577A #2C307A #4F2C7A

triadic

#2C307A #7A2C30 #307A2C

tetradic

#2C307A #7A2C57 #7A762C #2C7A4F

square

#2C307A #7A2C57 #7A762C #2C7A4F

split-complementary

#2C307A #7A4F2C #577A2C

monochromatic

#0C0D20 #1C1E4D #2C307A #3C42A7 #5C61C4

Accessibility & contrast

On white

11.60

#2C307A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#2C307A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C307A

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C307A	#FFFFFF	#000000	##FFFFFF
##2C307A	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7C

Deuteranopia (green-blind)

#003579

Tritanopia (blue-blind)

#004250

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2c307a;
/* rgb */ color: rgb(44, 48, 122);
/* oklch */ color: oklch(35.3% 0.124 275.7);

Tailwind

colors: {
  custom: {
    50: '#6e68a1',
    500: '#2c307a',
    950: '#000000',
  },
}

SCSS

$custom: #2c307a;
$custom-light: #6e68a1;
$custom-dark: #000000;

JSON

{
  "hex": "#2c307a",
  "rgb": {
    "r": 44,
    "g": 48,
    "b": 122
  },
  "hsl": {
    "h": 236.923,
    "s": 46.988,
    "l": 32.549
  },
  "oklch": {
    "l": 0.35266,
    "c": 0.12379,
    "h": 275.7
  },
  "luminance": 0.04055
}

Semantic roles & 50–950 ramp

primary

#2C307A

secondary

#AAA657

accent

#D051D7

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2C307A

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

Preview Lab → · Contrast checker → · Palette generator →