#2637AF#2637AF

#2637AF is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.2% C 0.189 H 269.3°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#2637AF
RGB	rgb(38, 55, 175)
HSL	hsl(233, 64%, 42%)
HSV	hsv(233, 78%, 69%)
CMYK	cmyk(78.3%, 68.6%, 0%, 31.4%)
CIE-LAB	lab(30.01, 36.96, -65.37)
CIE-LCH	lch(30.01, 75.10, 299.48°)
OKLab	oklab(41.15% -0.0024 -0.1893)
OKLCH	oklch(41.15% 0.189 269.3)
XYZ	xyz(9.9007, 6.2385, 41.2315)
Luminance	0.0624 (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

#2637AF #AF9E26

analogous

#267CAF #2637AF #5A26AF

triadic

#2637AF #AF2637 #37AF26

tetradic

#2637AF #AF267C #AF9E26 #26AF5A

square

#2637AF #AF267C #AF9E26 #26AF5A

split-complementary

#2637AF #AF5A26 #7CAF26

monochromatic

#10174A #1B277D #2637AF #3D50D5 #707DE0

Accessibility & contrast

On white

9.34

#2637AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2637AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2637AF

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2637AF	#FFFFFF	#000000	##FFFFFF
##2637AF	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB3

Deuteranopia (green-blind)

#0040AD

Tritanopia (blue-blind)

#00586E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2637af;
/* rgb */ color: rgb(38, 55, 175);
/* oklch */ color: oklch(41.2% 0.189 269.3);

Tailwind

colors: {
  custom: {
    50: '#786ec8',
    500: '#2637af',
    950: '#000000',
  },
}

SCSS

$custom: #2637af;
$custom-light: #786ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#2637af",
  "rgb": {
    "r": 38,
    "g": 55,
    "b": 175
  },
  "hsl": {
    "h": 232.555,
    "s": 64.319,
    "l": 41.765
  },
  "oklch": {
    "l": 0.41152,
    "c": 0.18929,
    "h": 269.3
  },
  "luminance": 0.0624
}

Semantic roles & 50–950 ramp

primary

#2637AF

secondary

#C7BB6A

accent

#D340E7

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2637AF

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

Preview Lab → · Contrast checker → · Palette generator →