#243D97#243D97

#243D97 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.9% C 0.150 H 267.3°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#243D97
RGB	rgb(36, 61, 151)
HSL	hsl(227, 61%, 37%)
HSV	hsv(227, 76%, 59%)
CMYK	cmyk(76.2%, 59.6%, 0%, 40.8%)
CIE-LAB	lab(29.28, 23.79, -52.08)
CIE-LCH	lch(29.28, 57.25, 294.55°)
OKLab	oklab(39.93% -0.0072 -0.1503)
OKLCH	oklch(39.93% 0.151 267.3)
XYZ	xyz(7.9803, 5.9461, 29.9993)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243D97 #977E24

analogous

#247797 #243D97 #452497

triadic

#243D97 #97243D #3D9724

tetradic

#243D97 #972477 #977E24 #249745

square

#243D97 #972477 #977E24 #249745

split-complementary

#243D97 #974524 #779724

monochromatic

#0C1534 #182966 #243D97 #3051C8 #5D78D8

Accessibility & contrast

On white

9.59

#243D97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#243D97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243D97

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243D97	#FFFFFF	#000000	##FFFFFF
##243D97	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9A

Deuteranopia (green-blind)

#004095

Tritanopia (blue-blind)

#005464

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #243d97;
/* rgb */ color: rgb(36, 61, 151);
/* oklch */ color: oklch(39.9% 0.150 267.3);

Tailwind

colors: {
  custom: {
    50: '#7172b6',
    500: '#243d97',
    950: '#000000',
  },
}

SCSS

$custom: #243d97;
$custom-light: #7172b6;
$custom-dark: #000000;

JSON

{
  "hex": "#243d97",
  "rgb": {
    "r": 36,
    "g": 61,
    "b": 151
  },
  "hsl": {
    "h": 226.957,
    "s": 61.497,
    "l": 36.667
  },
  "oklch": {
    "l": 0.39928,
    "c": 0.1505,
    "h": 267.3
  },
  "luminance": 0.05947
}

Semantic roles & 50–950 ramp

primary

#243D97

secondary

#BDA85A

accent

#C243E5

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #243D97

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

Preview Lab → · Contrast checker → · Palette generator →