#243E70#243E70

#243E70 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.1% C 0.092 H 262.2°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#243E70
RGB	rgb(36, 62, 112)
HSL	hsl(219, 51%, 29%)
HSV	hsv(219, 68%, 44%)
CMYK	cmyk(67.9%, 44.6%, 0%, 56.1%)
CIE-LAB	lab(26.71, 7.83, -31.92)
CIE-LCH	lch(26.71, 32.87, 283.78°)
OKLab	oklab(37.07% -0.0125 -0.091)
OKLCH	oklch(37.07% 0.092 262.2)
XYZ	xyz(5.3738, 4.9897, 16.0060)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243E70 #705624

analogous

#246470 #243E70 #302470

triadic

#243E70 #70243E #3E7024

tetradic

#243E70 #702464 #705624 #247030

square

#243E70 #702464 #705624 #247030

split-complementary

#243E70 #703024 #647024

monochromatic

#070D17 #152442 #243E70 #33589E #4A74C5

Accessibility & contrast

On white

10.51

#243E70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#243E70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243E70

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243E70	#FFFFFF	#000000	##FFFFFF
##243E70	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274372

Deuteranopia (green-blind)

#1B3C6F

Tritanopia (blue-blind)

#004951

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #243e70;
/* rgb */ color: rgb(36, 62, 112);
/* oklch */ color: oklch(37.1% 0.092 262.2);

Tailwind

colors: {
  custom: {
    50: '#677299',
    500: '#243e70',
    950: '#000000',
  },
}

SCSS

$custom: #243e70;
$custom-light: #677299;
$custom-dark: #000000;

JSON

{
  "hex": "#243e70",
  "rgb": {
    "r": 36,
    "g": 62,
    "b": 112
  },
  "hsl": {
    "h": 219.474,
    "s": 51.351,
    "l": 29.02
  },
  "oklch": {
    "l": 0.37068,
    "c": 0.0919,
    "h": 262.2
  },
  "luminance": 0.0499
}

Semantic roles & 50–950 ramp

primary

#243E70

secondary

#A3864D

accent

#AA4DDB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #243E70

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

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