#2538AE#2538AE

#2538AE is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.2% C 0.187 H 268.8°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#2538AE
RGB	rgb(37, 56, 174)
HSL	hsl(232, 65%, 41%)
HSV	hsv(232, 79%, 68%)
CMYK	cmyk(78.7%, 67.8%, 0%, 31.8%)
CIE-LAB	lab(30.10, 35.87, -64.62)
CIE-LCH	lch(30.10, 73.91, 299.03°)
OKLab	oklab(41.18% -0.0038 -0.1871)
OKLCH	oklch(41.18% 0.187 268.8)
XYZ	xyz(9.8145, 6.2765, 40.7304)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.72

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2538AE #AE9B25

analogous

#257DAE #2538AE #5725AE

triadic

#2538AE #AE2538 #38AE25

tetradic

#2538AE #AE257D #AE9B25 #25AE57

square

#2538AE #AE257D #AE9B25 #25AE57

split-complementary

#2538AE #AE5725 #7DAE25

monochromatic

#101849 #1A287C #2538AE #3B50D5 #6D7DE0

Accessibility & contrast

On white

9.31

#2538AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2538AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2538AE

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2538AE	#FFFFFF	#000000	##FFFFFF
##2538AE	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB2

Deuteranopia (green-blind)

#0040AC

Tritanopia (blue-blind)

#00586E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2538ae;
/* rgb */ color: rgb(37, 56, 174);
/* oklch */ color: oklch(41.2% 0.187 268.8);

Tailwind

colors: {
  custom: {
    50: '#776fc7',
    500: '#2538ae',
    950: '#000000',
  },
}

SCSS

$custom: #2538ae;
$custom-light: #776fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#2538ae",
  "rgb": {
    "r": 37,
    "g": 56,
    "b": 174
  },
  "hsl": {
    "h": 231.679,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41178,
    "c": 0.18714,
    "h": 268.8
  },
  "luminance": 0.06278
}

Semantic roles & 50–950 ramp

primary

#2538AE

secondary

#C6B968

accent

#D140E8

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2538AE

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

Preview Lab → · Contrast checker → · Palette generator →