#243E65#243E65

#243E65 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.3% C 0.075 H 258.3°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#243E65
RGB	rgb(36, 62, 101)
HSL	hsl(216, 47%, 27%)
HSV	hsv(216, 64%, 40%)
CMYK	cmyk(64.4%, 38.6%, 0%, 60.4%)
CIE-LAB	lab(26.04, 3.59, -25.94)
CIE-LCH	lch(26.04, 26.19, 277.89°)
OKLab	oklab(36.33% -0.0152 -0.0735)
OKLCH	oklch(36.33% 0.075 258.3)
XYZ	xyz(4.7983, 4.7595, 12.9752)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E65 #654B24

analogous

#245F65 #243E65 #2B2465

triadic

#243E65 #65243E #3E6524

tetradic

#243E65 #65245F #654B24 #24652B

square

#243E65 #65245F #654B24 #24652B

split-complementary

#243E65 #652B24 #5F6524

monochromatic

#080E17 #142238 #243E65 #345A92 #4676BD

Accessibility & contrast

On white

10.76

#243E65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#243E65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E65

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E65	#FFFFFF	#000000	##FFFFFF
##243E65	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4167

Deuteranopia (green-blind)

#253B64

Tritanopia (blue-blind)

#00474C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #243e65;
/* rgb */ color: rgb(36, 62, 101);
/* oklch */ color: oklch(36.3% 0.075 258.3);

Tailwind

colors: {
  custom: {
    50: '#657391',
    500: '#243e65',
    950: '#000000',
  },
}

SCSS

$custom: #243e65;
$custom-light: #657391;
$custom-dark: #000000;

JSON

{
  "hex": "#243e65",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 101
  },
  "hsl": {
    "h": 216,
    "s": 47.445,
    "l": 26.863
  },
  "oklch": {
    "l": 0.36334,
    "c": 0.07508,
    "h": 258.3
  },
  "luminance": 0.0476
}

Semantic roles & 50–950 ramp

primary

#243E65

secondary

#987A4C

accent

#A151D7

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #243E65

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

Preview Lab → · Contrast checker → · Palette generator →