#2C307D#2C307D

#2C307D is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.5% C 0.128 H 275.5°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#2C307D
RGB	rgb(44, 48, 125)
HSL	hsl(237, 48%, 33%)
HSV	hsv(237, 65%, 49%)
CMYK	cmyk(64.8%, 61.6%, 0%, 51%)
CIE-LAB	lab(24.10, 23.98, -44.35)
CIE-LCH	lch(24.10, 50.42, 298.40°)
OKLab	oklab(35.53% 0.0123 -0.1276)
OKLCH	oklch(35.53% 0.128 275.5)
XYZ	xyz(5.7961, 4.1296, 19.8897)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C307D #7D792C

analogous

#2C587D #2C307D #502C7D

triadic

#2C307D #7D2C30 #307D2C

tetradic

#2C307D #7D2C58 #7D792C #2C7D50

square

#2C307D #7D2C58 #7D792C #2C7D50

split-complementary

#2C307D #7D502C #587D2C

monochromatic

#0C0D22 #1C1F50 #2C307D #3C41AA #5D62C6

Accessibility & contrast

On white

11.50

#2C307D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#2C307D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C307D

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C307D	#FFFFFF	#000000	##FFFFFF
##2C307D	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D80

Deuteranopia (green-blind)

#00367B

Tritanopia (blue-blind)

#004351

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2c307d;
/* rgb */ color: rgb(44, 48, 125);
/* oklch */ color: oklch(35.5% 0.128 275.5);

Tailwind

colors: {
  custom: {
    50: '#6f68a3',
    500: '#2c307d',
    950: '#000000',
  },
}

SCSS

$custom: #2c307d;
$custom-light: #6f68a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2c307d",
  "rgb": {
    "r": 44,
    "g": 48,
    "b": 125
  },
  "hsl": {
    "h": 237.037,
    "s": 47.929,
    "l": 33.137
  },
  "oklch": {
    "l": 0.35526,
    "c": 0.12818,
    "h": 275.5
  },
  "luminance": 0.0413
}

Semantic roles & 50–950 ramp

primary

#2C307D

secondary

#ACA859

accent

#D150D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2C307D

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

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