#2538AF#2538AF

#2538AF is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.3% C 0.188 H 268.8°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#2538AF
RGB	rgb(37, 56, 175)
HSL	hsl(232, 65%, 42%)
HSV	hsv(232, 79%, 69%)
CMYK	cmyk(78.9%, 68%, 0%, 31.4%)
CIE-LAB	lab(30.20, 36.23, -65.06)
CIE-LCH	lch(30.20, 74.47, 299.11°)
OKLab	oklab(41.28% -0.0039 -0.1884)
OKLCH	oklch(41.28% 0.188 268.8)
XYZ	xyz(9.9123, 6.3157, 41.2458)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.62

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2538AF #AF9C25

analogous

#257DAF #2538AF #5725AF

triadic

#2538AF #AF2538 #38AF25

tetradic

#2538AF #AF257D #AF9C25 #25AF57

square

#2538AF #AF257D #AF9C25 #25AF57

split-complementary

#2538AF #AF5725 #7DAF25

monochromatic

#10184A #1A287C #2538AF #3C51D6 #6E7EE0

Accessibility & contrast

On white

9.28

#2538AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2538AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2538AF

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2538AF	#FFFFFF	#000000	##FFFFFF
##2538AF	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	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: #2538af;
/* rgb */ color: rgb(37, 56, 175);
/* oklch */ color: oklch(41.3% 0.188 268.8);

Tailwind

colors: {
  custom: {
    50: '#776fc8',
    500: '#2538af',
    950: '#000000',
  },
}

SCSS

$custom: #2538af;
$custom-light: #776fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2538af",
  "rgb": {
    "r": 37,
    "g": 56,
    "b": 175
  },
  "hsl": {
    "h": 231.739,
    "s": 65.094,
    "l": 41.569
  },
  "oklch": {
    "l": 0.41277,
    "c": 0.18843,
    "h": 268.8
  },
  "luminance": 0.06317
}

Semantic roles & 50–950 ramp

primary

#2538AF

secondary

#C7BA69

accent

#D140E8

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2538AF

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

Preview Lab → · Contrast checker → · Palette generator →