#243B86#243B86

#243B86 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.1% C 0.129 H 267.1°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#243B86
RGB	rgb(36, 59, 134)
HSL	hsl(226, 58%, 33%)
HSV	hsv(226, 73%, 53%)
CMYK	cmyk(73.1%, 56%, 0%, 47.5%)
CIE-LAB	lab(27.36, 18.53, -44.71)
CIE-LCH	lch(27.36, 48.40, 292.52°)
OKLab	oklab(38.07% -0.0064 -0.1287)
OKLCH	oklch(38.07% 0.129 267.1)
XYZ	xyz(6.5931, 5.2236, 23.2104)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243B86 #866F24

analogous

#246C86 #243B86 #3E2486

triadic

#243B86 #86243B #3B8624

tetradic

#243B86 #86246C #866F24 #24863E

square

#243B86 #86246C #866F24 #24863E

split-complementary

#243B86 #863E24 #6C8624

monochromatic

#0A1126 #172656 #243B86 #3150B6 #5371D1

Accessibility & contrast

On white

10.27

#243B86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#243B86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243B86

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243B86	#FFFFFF	#000000	##FFFFFF
##243B86	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004589

Deuteranopia (green-blind)

#003C85

Tritanopia (blue-blind)

#004D5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #243b86;
/* rgb */ color: rgb(36, 59, 134);
/* oklch */ color: oklch(38.1% 0.129 267.1);

Tailwind

colors: {
  custom: {
    50: '#6d70aa',
    500: '#243b86',
    950: '#000000',
  },
}

SCSS

$custom: #243b86;
$custom-light: #6d70aa;
$custom-dark: #000000;

JSON

{
  "hex": "#243b86",
  "rgb": {
    "r": 36,
    "g": 59,
    "b": 134
  },
  "hsl": {
    "h": 225.918,
    "s": 57.647,
    "l": 33.333
  },
  "oklch": {
    "l": 0.38065,
    "c": 0.12886,
    "h": 267.1
  },
  "luminance": 0.05224
}

Semantic roles & 50–950 ramp

primary

#243B86

secondary

#B59D51

accent

#BD47E1

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080710

muted

#7A7A7F

Preview Lab

Preview with #243B86

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

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