#2838AF#2838AF

#2838AF is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.4% C 0.188 H 269.7°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#2838AF
RGB	rgb(40, 56, 175)
HSL	hsl(233, 63%, 42%)
HSV	hsv(233, 77%, 69%)
CMYK	cmyk(77.1%, 68%, 0%, 31.4%)
CIE-LAB	lab(30.34, 36.51, -64.83)
CIE-LCH	lch(30.34, 74.40, 299.39°)
OKLab	oklab(41.42% -0.001 -0.1876)
OKLCH	oklch(41.42% 0.188 269.7)
XYZ	xyz(10.0245, 6.3735, 41.2510)
Luminance	0.0638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2838AF #AF9F28

analogous

#287CAF #2838AF #5C28AF

triadic

#2838AF #AF2838 #38AF28

tetradic

#2838AF #AF287C #AF9F28 #28AF5C

square

#2838AF #AF287C #AF9F28 #28AF5C

split-complementary

#2838AF #AF5C28 #7CAF28

monochromatic

#11184B #1D287D #2838AF #4152D4 #737FDF

Accessibility & contrast

On white

9.23

#2838AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2838AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2838AF

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2838AF	#FFFFFF	#000000	##FFFFFF
##2838AF	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB3

Deuteranopia (green-blind)

#0041AD

Tritanopia (blue-blind)

#00586F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2838af;
/* rgb */ color: rgb(40, 56, 175);
/* oklch */ color: oklch(41.4% 0.188 269.7);

Tailwind

colors: {
  custom: {
    50: '#786fc8',
    500: '#2838af',
    950: '#000000',
  },
}

SCSS

$custom: #2838af;
$custom-light: #786fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2838af",
  "rgb": {
    "r": 40,
    "g": 56,
    "b": 175
  },
  "hsl": {
    "h": 232.889,
    "s": 62.791,
    "l": 42.157
  },
  "oklch": {
    "l": 0.41418,
    "c": 0.18764,
    "h": 269.7
  },
  "luminance": 0.06375
}

Semantic roles & 50–950 ramp

primary

#2838AF

secondary

#C6BB6D

accent

#D242E6

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #2838AF

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

Preview Lab → · Contrast checker → · Palette generator →