#243B60#243B60

#243B60 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.3% C 0.071 H 259.5°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#243B60
RGB	rgb(36, 59, 96)
HSL	hsl(217, 45%, 26%)
HSV	hsv(217, 63%, 38%)
CMYK	cmyk(62.5%, 38.5%, 0%, 62.4%)
CIE-LAB	lab(24.79, 3.75, -24.68)
CIE-LCH	lch(24.79, 24.97, 278.64°)
OKLab	oklab(35.27% -0.0129 -0.0699)
OKLCH	oklch(35.27% 0.071 259.5)
XYZ	xyz(4.4021, 4.3472, 11.6712)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243B60 #604924

analogous

#245960 #243B60 #2B2460

triadic

#243B60 #60243B #3B6024

tetradic

#243B60 #602459 #604924 #24602B

square

#243B60 #602459 #604924 #24602B

split-complementary

#243B60 #602B24 #596024

monochromatic

#080E16 #132033 #243B60 #35568D #4572B9

Accessibility & contrast

On white

11.23

#243B60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#243B60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243B60

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243B60	#FFFFFF	#000000	##FFFFFF
##243B60	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3E62

Deuteranopia (green-blind)

#24385F

Tritanopia (blue-blind)

#004349

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #243b60;
/* rgb */ color: rgb(36, 59, 96);
/* oklch */ color: oklch(35.3% 0.071 259.5);

Tailwind

colors: {
  custom: {
    50: '#64708d',
    500: '#243b60',
    950: '#000000',
  },
}

SCSS

$custom: #243b60;
$custom-light: #64708d;
$custom-dark: #000000;

JSON

{
  "hex": "#243b60",
  "rgb": {
    "r": 36,
    "g": 59,
    "b": 96
  },
  "hsl": {
    "h": 217,
    "s": 45.455,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35266,
    "c": 0.07107,
    "h": 259.5
  },
  "luminance": 0.04348
}

Semantic roles & 50–950 ramp

primary

#243B60

secondary

#94784C

accent

#A353D5

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #243B60

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

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