#243E89#243E89

#243E89 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.0% C 0.129 H 266.1°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#243E89
RGB	rgb(36, 62, 137)
HSL	hsl(225, 58%, 34%)
HSV	hsv(225, 74%, 54%)
CMYK	cmyk(73.7%, 54.7%, 0%, 46.3%)
CIE-LAB	lab(28.45, 17.64, -44.81)
CIE-LCH	lch(28.45, 48.16, 291.48°)
OKLab	oklab(38.96% -0.0088 -0.129)
OKLCH	oklch(38.96% 0.129 266.1)
XYZ	xyz(6.9640, 5.6257, 24.3809)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E89 #896F24

analogous

#247189 #243E89 #3C2489

triadic

#243E89 #89243E #3E8924

tetradic

#243E89 #892471 #896F24 #24893C

square

#243E89 #892471 #896F24 #24893C

split-complementary

#243E89 #893C24 #718924

monochromatic

#0B1228 #172859 #243E89 #3154B9 #5575D2

Accessibility & contrast

On white

9.88

#243E89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#243E89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E89

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E89	#FFFFFF	#000000	##FFFFFF
##243E89	1.00	9.88	2.13	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#07488C

Deuteranopia (green-blind)

#003F87

Tritanopia (blue-blind)

#00505D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #243e89;
/* rgb */ color: rgb(36, 62, 137);
/* oklch */ color: oklch(39.0% 0.129 266.1);

Tailwind

colors: {
  custom: {
    50: '#6d72ac',
    500: '#243e89',
    950: '#000000',
  },
}

SCSS

$custom: #243e89;
$custom-light: #6d72ac;
$custom-dark: #000000;

JSON

{
  "hex": "#243e89",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 137
  },
  "hsl": {
    "h": 224.554,
    "s": 58.382,
    "l": 33.922
  },
  "oklch": {
    "l": 0.38957,
    "c": 0.12926,
    "h": 266.1
  },
  "luminance": 0.05626
}

Semantic roles & 50–950 ramp

primary

#243E89

secondary

#B79D52

accent

#BA46E2

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #243E89

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

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