#243E6D#243E6D

#243E6D is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.9% C 0.087 H 261.3°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#243E6D
RGB	rgb(36, 62, 109)
HSL	hsl(219, 50%, 28%)
HSV	hsv(219, 67%, 43%)
CMYK	cmyk(67%, 43.1%, 0%, 57.3%)
CIE-LAB	lab(26.52, 6.66, -30.31)
CIE-LCH	lch(26.52, 31.03, 282.40°)
OKLab	oklab(36.86% -0.0132 -0.0863)
OKLCH	oklch(36.86% 0.087 261.3)
XYZ	xyz(5.2095, 4.9240, 15.1409)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E6D #6D5324

analogous

#24626D #243E6D #2E246D

triadic

#243E6D #6D243E #3E6D24

tetradic

#243E6D #6D2462 #6D5324 #246D2E

square

#243E6D #6D2462 #6D5324 #246D2E

split-complementary

#243E6D #6D2E24 #626D24

monochromatic

#080D17 #15243F #243E6D #33589B #4974C3

Accessibility & contrast

On white

10.58

#243E6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#243E6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E6D

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E6D	#FFFFFF	#000000	##FFFFFF
##243E6D	1.00	10.58	1.98	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29426F

Deuteranopia (green-blind)

#1E3C6C

Tritanopia (blue-blind)

#004950

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #243e6d;
/* rgb */ color: rgb(36, 62, 109);
/* oklch */ color: oklch(36.9% 0.087 261.3);

Tailwind

colors: {
  custom: {
    50: '#677297',
    500: '#243e6d',
    950: '#000000',
  },
}

SCSS

$custom: #243e6d;
$custom-light: #677297;
$custom-dark: #000000;

JSON

{
  "hex": "#243e6d",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 109
  },
  "hsl": {
    "h": 218.63,
    "s": 50.345,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36861,
    "c": 0.08731,
    "h": 261.3
  },
  "luminance": 0.04924
}

Semantic roles & 50–950 ramp

primary

#243E6D

secondary

#A0824D

accent

#A84EDA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #243E6D

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

Preview Lab → · Contrast checker → · Palette generator →