#243A7E#243A7E

#243A7E is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.2% C 0.118 H 267.0°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#243A7E
RGB	rgb(36, 58, 126)
HSL	hsl(225, 56%, 32%)
HSV	hsv(225, 71%, 49%)
CMYK	cmyk(71.4%, 54%, 0%, 50.6%)
CIE-LAB	lab(26.47, 16.09, -41.16)
CIE-LCH	lch(26.47, 44.19, 291.36°)
OKLab	oklab(37.2% -0.0062 -0.1183)
OKLCH	oklch(37.2% 0.118 267)
XYZ	xyz(6.0052, 4.9069, 20.3653)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#243A7E #7E6824

analogous

#24677E #243A7E #3B247E

triadic

#243A7E #7E243A #3A7E24

tetradic

#243A7E #7E2467 #7E6824 #247E3B

square

#243A7E #7E2467 #7E6824 #247E3B

split-complementary

#243A7E #7E3B24 #677E24

monochromatic

#090E1F #16244E #243A7E #3250AE #506ECD

Accessibility & contrast

On white

10.60

#243A7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#243A7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #243A7E

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##243A7E	#FFFFFF	#000000	##FFFFFF
##243A7E	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E4380

Deuteranopia (green-blind)

#003B7D

Tritanopia (blue-blind)

#004A56

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #243a7e;
/* rgb */ color: rgb(36, 58, 126);
/* oklch */ color: oklch(37.2% 0.118 267.0);

Tailwind

colors: {
  custom: {
    50: '#6b6fa4',
    500: '#243a7e',
    950: '#000000',
  },
}

SCSS

$custom: #243a7e;
$custom-light: #6b6fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#243a7e",
  "rgb": {
    "r": 36,
    "g": 58,
    "b": 126
  },
  "hsl": {
    "h": 225.333,
    "s": 55.556,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37196,
    "c": 0.11842,
    "h": 267
  },
  "luminance": 0.04908
}

Semantic roles & 50–950 ramp

primary

#243A7E

secondary

#B0984E

accent

#BA49DF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #243A7E

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

Preview Lab → · Contrast checker → · Palette generator →