#243F60#243F60

#243F60 is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.3% C 0.066 H 254.3°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#243F60
RGB	rgb(36, 63, 96)
HSL	hsl(213, 45%, 26%)
HSV	hsv(213, 63%, 38%)
CMYK	cmyk(62.5%, 34.4%, 0%, 62.4%)
CIE-LAB	lab(26.08, 1.03, -22.64)
CIE-LCH	lch(26.08, 22.67, 272.61°)
OKLab	oklab(36.28% -0.018 -0.0639)
OKLCH	oklch(36.28% 0.066 254.3)
XYZ	xyz(4.6156, 4.7742, 11.7423)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243F60 #604524

analogous

#245D60 #243F60 #272460

triadic

#243F60 #60243F #3F6024

tetradic

#243F60 #60245D #604524 #246027

square

#243F60 #60245D #604524 #246027

split-complementary

#243F60 #602724 #5D6024

monochromatic

#080F16 #132233 #243F60 #355C8D #4579B9

Accessibility & contrast

On white

10.74

#243F60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#243F60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243F60

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243F60	#FFFFFF	#000000	##FFFFFF
##243F60	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314161

Deuteranopia (green-blind)

#293B5F

Tritanopia (blue-blind)

#00474B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #243f60;
/* rgb */ color: rgb(36, 63, 96);
/* oklch */ color: oklch(36.3% 0.066 254.3);

Tailwind

colors: {
  custom: {
    50: '#64738d',
    500: '#243f60',
    950: '#000000',
  },
}

SCSS

$custom: #243f60;
$custom-light: #64738d;
$custom-dark: #000000;

JSON

{
  "hex": "#243f60",
  "rgb": {
    "r": 36,
    "g": 63,
    "b": 96
  },
  "hsl": {
    "h": 213,
    "s": 45.455,
    "l": 25.882
  },
  "oklch": {
    "l": 0.36276,
    "c": 0.06638,
    "h": 254.3
  },
  "luminance": 0.04775
}

Semantic roles & 50–950 ramp

primary

#243F60

secondary

#94734C

accent

#9A53D5

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #243F60

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

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