#243A68#243A68

#243A68 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.6% C 0.085 H 263.4°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#243A68
RGB	rgb(36, 58, 104)
HSL	hsl(221, 49%, 27%)
HSV	hsv(221, 65%, 41%)
CMYK	cmyk(65.4%, 44.2%, 0%, 59.2%)
CIE-LAB	lab(24.95, 7.50, -29.60)
CIE-LCH	lch(24.95, 30.53, 284.22°)
OKLab	oklab(35.55% -0.0097 -0.0843)
OKLCH	oklch(35.55% 0.085 263.4)
XYZ	xyz(4.7384, 4.4002, 13.6936)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243A68 #685224

analogous

#245C68 #243A68 #302468

triadic

#243A68 #68243A #3A6824

tetradic

#243A68 #68245C #685224 #246830

square

#243A68 #68245C #685224 #246830

split-complementary

#243A68 #683024 #5C6824

monochromatic

#080D17 #14213B #243A68 #345395 #476EBF

Accessibility & contrast

On white

11.17

#243A68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#243A68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243A68

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243A68	#FFFFFF	#000000	##FFFFFF
##243A68	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253F6A

Deuteranopia (green-blind)

#1C3867

Tritanopia (blue-blind)

#00444C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #243a68;
/* rgb */ color: rgb(36, 58, 104);
/* oklch */ color: oklch(35.6% 0.085 263.4);

Tailwind

colors: {
  custom: {
    50: '#666f93',
    500: '#243a68',
    950: '#000000',
  },
}

SCSS

$custom: #243a68;
$custom-light: #666f93;
$custom-dark: #000000;

JSON

{
  "hex": "#243a68",
  "rgb": {
    "r": 36,
    "g": 58,
    "b": 104
  },
  "hsl": {
    "h": 220.588,
    "s": 48.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.35552,
    "c": 0.08483,
    "h": 263.4
  },
  "luminance": 0.04401
}

Semantic roles & 50–950 ramp

primary

#243A68

secondary

#9B824C

accent

#AC50D8

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #243A68

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

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