#243D80#243D80

#243D80 is a dark, moderate blue. Relative luminance 0.053; OKLCH L 38.0% C 0.117 H 265.7°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#243D80
RGB	rgb(36, 61, 128)
HSL	hsl(224, 56%, 32%)
HSV	hsv(224, 72%, 50%)
CMYK	cmyk(71.9%, 52.3%, 0%, 49.8%)
CIE-LAB	lab(27.49, 14.79, -40.76)
CIE-LCH	lch(27.49, 43.36, 289.95°)
OKLab	oklab(38.02% -0.0088 -0.117)
OKLCH	oklch(38.02% 0.117 265.7)
XYZ	xyz(6.2912, 5.2704, 21.1036)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243D80 #806724

analogous

#246B80 #243D80 #392480

triadic

#243D80 #80243D #3D8024

tetradic

#243D80 #80246B #806724 #248039

square

#243D80 #80246B #806724 #248039

split-complementary

#243D80 #803924 #6B8024

monochromatic

#090F20 #172650 #243D80 #3154B0 #5073CE

Accessibility & contrast

On white

10.22

#243D80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#243D80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243D80

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243D80	#FFFFFF	#000000	##FFFFFF
##243D80	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154582

Deuteranopia (green-blind)

#003D7F

Tritanopia (blue-blind)

#004D58

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #243d80;
/* rgb */ color: rgb(36, 61, 128);
/* oklch */ color: oklch(38.0% 0.117 265.7);

Tailwind

colors: {
  custom: {
    50: '#6b72a5',
    500: '#243d80',
    950: '#000000',
  },
}

SCSS

$custom: #243d80;
$custom-light: #6b72a5;
$custom-dark: #000000;

JSON

{
  "hex": "#243d80",
  "rgb": {
    "r": 36,
    "g": 61,
    "b": 128
  },
  "hsl": {
    "h": 223.696,
    "s": 56.098,
    "l": 32.157
  },
  "oklch": {
    "l": 0.3802,
    "c": 0.11737,
    "h": 265.7
  },
  "luminance": 0.05271
}

Semantic roles & 50–950 ramp

primary

#243D80

secondary

#B2974E

accent

#B648DF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #243D80

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

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