#243C67#243C67

#243C67 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.0% C 0.081 H 261.2°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#243C67
RGB	rgb(36, 60, 103)
HSL	hsl(219, 48%, 27%)
HSV	hsv(219, 65%, 40%)
CMYK	cmyk(65%, 41.7%, 0%, 59.6%)
CIE-LAB	lab(25.52, 5.73, -28.05)
CIE-LCH	lch(25.52, 28.63, 281.55°)
OKLab	oklab(35.97% -0.0123 -0.0797)
OKLCH	oklch(35.97% 0.081 261.2)
XYZ	xyz(4.7907, 4.5856, 13.4620)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243C67 #674F24

analogous

#245E67 #243C67 #2D2467

triadic

#243C67 #67243C #3C6724

tetradic

#243C67 #67245E #674F24 #24672D

square

#243C67 #67245E #674F24 #24672D

split-complementary

#243C67 #672D24 #5E6724

monochromatic

#080D17 #14223A #243C67 #345694 #4772BF

Accessibility & contrast

On white

10.95

#243C67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#243C67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243C67

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243C67	#FFFFFF	#000000	##FFFFFF
##243C67	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#294069

Deuteranopia (green-blind)

#203A66

Tritanopia (blue-blind)

#00464C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #243c67;
/* rgb */ color: rgb(36, 60, 103);
/* oklch */ color: oklch(36.0% 0.081 261.2);

Tailwind

colors: {
  custom: {
    50: '#667192',
    500: '#243c67',
    950: '#000000',
  },
}

SCSS

$custom: #243c67;
$custom-light: #667192;
$custom-dark: #000000;

JSON

{
  "hex": "#243c67",
  "rgb": {
    "r": 36,
    "g": 60,
    "b": 103
  },
  "hsl": {
    "h": 218.507,
    "s": 48.201,
    "l": 27.255
  },
  "oklch": {
    "l": 0.3597,
    "c": 0.08065,
    "h": 261.2
  },
  "luminance": 0.04586
}

Semantic roles & 50–950 ramp

primary

#243C67

secondary

#9A7E4C

accent

#A750D8

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #243C67

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

Preview Lab → · Contrast checker → · Palette generator →