#243F64#243F64

#243F64 is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.5% C 0.072 H 256.6°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#243F64
RGB	rgb(36, 63, 100)
HSL	hsl(215, 47%, 27%)
HSV	hsv(215, 64%, 39%)
CMYK	cmyk(64%, 37%, 0%, 60.8%)
CIE-LAB	lab(26.30, 2.53, -24.88)
CIE-LCH	lch(26.30, 25.01, 275.82°)
OKLab	oklab(36.52% -0.0167 -0.0704)
OKLCH	oklch(36.52% 0.072 256.6)
XYZ	xyz(4.8045, 4.8498, 12.7370)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243F64 #644924

analogous

#245F64 #243F64 #292464

triadic

#243F64 #64243F #3F6424

tetradic

#243F64 #64245F #644924 #246429

square

#243F64 #64245F #644924 #246429

split-complementary

#243F64 #642924 #5F6424

monochromatic

#080E17 #142337 #243F64 #345B91 #4678BC

Accessibility & contrast

On white

10.66

#243F64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#243F64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243F64

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243F64	#FFFFFF	#000000	##FFFFFF
##243F64	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4266

Deuteranopia (green-blind)

#273B63

Tritanopia (blue-blind)

#00474C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #243f64;
/* rgb */ color: rgb(36, 63, 100);
/* oklch */ color: oklch(36.5% 0.072 256.6);

Tailwind

colors: {
  custom: {
    50: '#657390',
    500: '#243f64',
    950: '#000000',
  },
}

SCSS

$custom: #243f64;
$custom-light: #657390;
$custom-dark: #000000;

JSON

{
  "hex": "#243f64",
  "rgb": {
    "r": 36,
    "g": 63,
    "b": 100
  },
  "hsl": {
    "h": 214.688,
    "s": 47.059,
    "l": 26.667
  },
  "oklch": {
    "l": 0.36521,
    "c": 0.07237,
    "h": 256.6
  },
  "luminance": 0.0485
}

Semantic roles & 50–950 ramp

primary

#243F64

secondary

#97784C

accent

#9E51D7

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #243F64

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

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