#243E80#243E80

#243E80 is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.2% C 0.116 H 265.2°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#243E80
RGB	rgb(36, 62, 128)
HSL	hsl(223, 56%, 32%)
HSV	hsv(223, 72%, 50%)
CMYK	cmyk(71.9%, 51.6%, 0%, 49.8%)
CIE-LAB	lab(27.79, 14.10, -40.28)
CIE-LCH	lch(27.79, 42.68, 289.29°)
OKLab	oklab(38.24% -0.0098 -0.1156)
OKLCH	oklch(38.24% 0.116 265.2)
XYZ	xyz(6.3451, 5.3782, 21.1216)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E80 #806624

analogous

#246C80 #243E80 #382480

triadic

#243E80 #80243E #3E8024

tetradic

#243E80 #80246C #806624 #248038

square

#243E80 #80246C #806624 #248038

split-complementary

#243E80 #803824 #6C8024

monochromatic

#091020 #172750 #243E80 #3155B0 #5074CE

Accessibility & contrast

On white

10.12

#243E80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#243E80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E80

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E80	#FFFFFF	#000000	##FFFFFF
##243E80	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184682

Deuteranopia (green-blind)

#003E7F

Tritanopia (blue-blind)

#004E59

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #243e80;
/* rgb */ color: rgb(36, 62, 128);
/* oklch */ color: oklch(38.2% 0.116 265.2);

Tailwind

colors: {
  custom: {
    50: '#6b72a5',
    500: '#243e80',
    950: '#000000',
  },
}

SCSS

$custom: #243e80;
$custom-light: #6b72a5;
$custom-dark: #000000;

JSON

{
  "hex": "#243e80",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 128
  },
  "hsl": {
    "h": 223.043,
    "s": 56.098,
    "l": 32.157
  },
  "oklch": {
    "l": 0.38244,
    "c": 0.11603,
    "h": 265.2
  },
  "luminance": 0.05379
}

Semantic roles & 50–950 ramp

primary

#243E80

secondary

#B2964E

accent

#B548DF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #243E80

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

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