#243C62#243C62

#243C62 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.6% C 0.073 H 259.2°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#243C62
RGB	rgb(36, 60, 98)
HSL	hsl(217, 46%, 26%)
HSV	hsv(217, 63%, 38%)
CMYK	cmyk(63.3%, 38.8%, 0%, 61.6%)
CIE-LAB	lab(25.22, 3.82, -25.29)
CIE-LCH	lch(25.22, 25.58, 278.60°)
OKLab	oklab(35.64% -0.0136 -0.0716)
OKLCH	oklch(35.64% 0.073 259.2)
XYZ	xyz(4.5472, 4.4882, 12.1796)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243C62 #624A24

analogous

#245B62 #243C62 #2B2462

triadic

#243C62 #62243C #3C6224

tetradic

#243C62 #62245B #624A24 #24622B

square

#243C62 #62245B #624A24 #24622B

split-complementary

#243C62 #622B24 #5B6224

monochromatic

#080E16 #142135 #243C62 #34578F #4673BB

Accessibility & contrast

On white

11.07

#243C62 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#243C62 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243C62

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243C62	#FFFFFF	#000000	##FFFFFF
##243C62	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3F64

Deuteranopia (green-blind)

#243961

Tritanopia (blue-blind)

#00454A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #243c62;
/* rgb */ color: rgb(36, 60, 98);
/* oklch */ color: oklch(35.6% 0.073 259.2);

Tailwind

colors: {
  custom: {
    50: '#65718f',
    500: '#243c62',
    950: '#000000',
  },
}

SCSS

$custom: #243c62;
$custom-light: #65718f;
$custom-dark: #000000;

JSON

{
  "hex": "#243c62",
  "rgb": {
    "r": 36,
    "g": 60,
    "b": 98
  },
  "hsl": {
    "h": 216.774,
    "s": 46.269,
    "l": 26.275
  },
  "oklch": {
    "l": 0.35644,
    "c": 0.07292,
    "h": 259.2
  },
  "luminance": 0.04489
}

Semantic roles & 50–950 ramp

primary

#243C62

secondary

#95794C

accent

#A352D6

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #243C62

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

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