#2439A9#2439A9

#2439A9 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.8% C 0.180 H 268.4°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#2439A9
RGB	rgb(36, 57, 169)
HSL	hsl(231, 65%, 40%)
HSV	hsv(231, 79%, 66%)
CMYK	cmyk(78.7%, 66.3%, 0%, 33.7%)
CIE-LAB	lab(29.82, 33.29, -62.08)
CIE-LCH	lch(29.82, 70.44, 298.20°)
OKLab	oklab(40.82% -0.0049 -0.1797)
OKLCH	oklch(40.82% 0.18 268.4)
XYZ	xyz(9.3496, 6.1648, 38.2256)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2439A9 #A99424

analogous

#247CA9 #2439A9 #5124A9

triadic

#2439A9 #A92439 #39A924

tetradic

#2439A9 #A9247C #A99424 #24A951

square

#2439A9 #A9247C #A99424 #24A951

split-complementary

#2439A9 #A95124 #7CA924

monochromatic

#0F1744 #192877 #2439A9 #364FD4 #687BDF

Accessibility & contrast

On white

9.40

#2439A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2439A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2439A9

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2439A9	#FFFFFF	#000000	##FFFFFF
##2439A9	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAD

Deuteranopia (green-blind)

#0040A7

Tritanopia (blue-blind)

#00576C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2439a9;
/* rgb */ color: rgb(36, 57, 169);
/* oklch */ color: oklch(40.8% 0.180 268.4);

Tailwind

colors: {
  custom: {
    50: '#756fc4',
    500: '#2439a9',
    950: '#000000',
  },
}

SCSS

$custom: #2439a9;
$custom-light: #756fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#2439a9",
  "rgb": {
    "r": 36,
    "g": 57,
    "b": 169
  },
  "hsl": {
    "h": 230.526,
    "s": 64.878,
    "l": 40.196
  },
  "oklch": {
    "l": 0.40822,
    "c": 0.17976,
    "h": 268.4
  },
  "luminance": 0.06166
}

Semantic roles & 50–950 ramp

primary

#2439A9

secondary

#C5B664

accent

#CD40E8

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2439A9

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

Preview Lab → · Contrast checker → · Palette generator →