#243D63#243D63

#243D63 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.0% C 0.073 H 258.5°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#243D63
RGB	rgb(36, 61, 99)
HSL	hsl(216, 47%, 26%)
HSV	hsv(216, 64%, 39%)
CMYK	cmyk(63.6%, 38.4%, 0%, 61.2%)
CIE-LAB	lab(25.60, 3.52, -25.34)
CIE-LCH	lch(25.60, 25.58, 277.90°)
OKLab	oklab(35.96% -0.0146 -0.0718)
OKLCH	oklch(35.96% 0.073 258.5)
XYZ	xyz(4.6476, 4.6130, 12.4474)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243D63 #634A24

analogous

#245D63 #243D63 #2A2463

triadic

#243D63 #63243D #3D6324

tetradic

#243D63 #63245D #634A24 #24632A

square

#243D63 #63245D #634A24 #24632A

split-complementary

#243D63 #632A24 #5D6324

monochromatic

#080E16 #142136 #243D63 #345990 #4675BC

Accessibility & contrast

On white

10.92

#243D63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#243D63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243D63

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243D63	#FFFFFF	#000000	##FFFFFF
##243D63	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4065

Deuteranopia (green-blind)

#253A62

Tritanopia (blue-blind)

#00464B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #243d63;
/* rgb */ color: rgb(36, 61, 99);
/* oklch */ color: oklch(36.0% 0.073 258.5);

Tailwind

colors: {
  custom: {
    50: '#65728f',
    500: '#243d63',
    950: '#000000',
  },
}

SCSS

$custom: #243d63;
$custom-light: #65728f;
$custom-dark: #000000;

JSON

{
  "hex": "#243d63",
  "rgb": {
    "r": 36,
    "g": 61,
    "b": 99
  },
  "hsl": {
    "h": 216.19,
    "s": 46.667,
    "l": 26.471
  },
  "oklch": {
    "l": 0.35957,
    "c": 0.07323,
    "h": 258.5
  },
  "luminance": 0.04613
}

Semantic roles & 50–950 ramp

primary

#243D63

secondary

#96794C

accent

#A251D6

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #243D63

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

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