#243B68#243B68

#243B68 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.8% C 0.084 H 262.5°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#243B68
RGB	rgb(36, 59, 104)
HSL	hsl(220, 49%, 27%)
HSV	hsv(220, 65%, 41%)
CMYK	cmyk(65.4%, 43.3%, 0%, 59.2%)
CIE-LAB	lab(25.27, 6.81, -29.10)
CIE-LCH	lch(25.27, 29.88, 283.17°)
OKLab	oklab(35.79% -0.0109 -0.0828)
OKLCH	oklch(35.79% 0.084 262.5)
XYZ	xyz(4.7893, 4.5020, 13.7106)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243B68 #685124

analogous

#245D68 #243B68 #2F2468

triadic

#243B68 #68243B #3B6824

tetradic

#243B68 #68245D #685124 #24682F

square

#243B68 #68245D #685124 #24682F

split-complementary

#243B68 #682F24 #5D6824

monochromatic

#080D17 #14213B #243B68 #345595 #4770BF

Accessibility & contrast

On white

11.05

#243B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#243B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243B68

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243B68	#FFFFFF	#000000	##FFFFFF
##243B68	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273F6A

Deuteranopia (green-blind)

#1D3967

Tritanopia (blue-blind)

#00454C

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #243b68;
/* rgb */ color: rgb(36, 59, 104);
/* oklch */ color: oklch(35.8% 0.084 262.5);

Tailwind

colors: {
  custom: {
    50: '#667093',
    500: '#243b68',
    950: '#000000',
  },
}

SCSS

$custom: #243b68;
$custom-light: #667093;
$custom-dark: #000000;

JSON

{
  "hex": "#243b68",
  "rgb": {
    "r": 36,
    "g": 59,
    "b": 104
  },
  "hsl": {
    "h": 219.706,
    "s": 48.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.35794,
    "c": 0.0835,
    "h": 262.5
  },
  "luminance": 0.04502
}

Semantic roles & 50–950 ramp

primary

#243B68

secondary

#9B814C

accent

#AA50D8

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #243B68

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

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