#243D65#243D65

#243D65 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.1% C 0.076 H 259.4°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#243D65
RGB	rgb(36, 61, 101)
HSL	hsl(217, 47%, 27%)
HSV	hsv(217, 64%, 40%)
CMYK	cmyk(64.4%, 39.6%, 0%, 60.4%)
CIE-LAB	lab(25.72, 4.28, -26.45)
CIE-LCH	lch(25.72, 26.79, 279.19°)
OKLab	oklab(36.09% -0.014 -0.075)
OKLCH	oklch(36.09% 0.076 259.4)
XYZ	xyz(4.7444, 4.6517, 12.9572)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243D65 #654C24

analogous

#245E65 #243D65 #2C2465

triadic

#243D65 #65243D #3D6524

tetradic

#243D65 #65245E #654C24 #24652C

square

#243D65 #65245E #654C24 #24652C

split-complementary

#243D65 #652C24 #5E6524

monochromatic

#080E17 #142238 #243D65 #345892 #4674BD

Accessibility & contrast

On white

10.88

#243D65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#243D65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243D65

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243D65	#FFFFFF	#000000	##FFFFFF
##243D65	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4067

Deuteranopia (green-blind)

#233A64

Tritanopia (blue-blind)

#00464C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #243d65;
/* rgb */ color: rgb(36, 61, 101);
/* oklch */ color: oklch(36.1% 0.076 259.4);

Tailwind

colors: {
  custom: {
    50: '#657291',
    500: '#243d65',
    950: '#000000',
  },
}

SCSS

$custom: #243d65;
$custom-light: #657291;
$custom-dark: #000000;

JSON

{
  "hex": "#243d65",
  "rgb": {
    "r": 36,
    "g": 61,
    "b": 101
  },
  "hsl": {
    "h": 216.923,
    "s": 47.445,
    "l": 26.863
  },
  "oklch": {
    "l": 0.36085,
    "c": 0.07631,
    "h": 259.4
  },
  "luminance": 0.04652
}

Semantic roles & 50–950 ramp

primary

#243D65

secondary

#987B4C

accent

#A351D7

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #243D65

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

Preview Lab → · Contrast checker → · Palette generator →