#2637A3#2637A3

#2637A3 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.0% C 0.174 H 269.5°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#2637A3
RGB	rgb(38, 55, 163)
HSL	hsl(232, 62%, 39%)
HSV	hsv(232, 77%, 64%)
CMYK	cmyk(76.7%, 66.3%, 0%, 36.1%)
CIE-LAB	lab(28.87, 32.57, -60.03)
CIE-LCH	lch(28.87, 68.29, 298.48°)
OKLab	oklab(39.98% -0.0015 -0.1737)
OKLCH	oklch(39.98% 0.174 269.5)
XYZ	xyz(8.7741, 5.7878, 35.2980)
Luminance	0.0579 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2637A3 #A39226

analogous

#2676A3 #2637A3 #5426A3

triadic

#2637A3 #A32637 #37A326

tetradic

#2637A3 #A32676 #A39226 #26A354

square

#2637A3 #A32676 #A39226 #26A354

split-complementary

#2637A3 #A35426 #76A326

monochromatic

#0F1640 #1A2671 #2637A3 #364BD0 #6877DC

Accessibility & contrast

On white

9.73

#2637A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#2637A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2637A3

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2637A3	#FFFFFF	#000000	##FFFFFF
##2637A3	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA6

Deuteranopia (green-blind)

#003EA1

Tritanopia (blue-blind)

#005468

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2637a3;
/* rgb */ color: rgb(38, 55, 163);
/* oklch */ color: oklch(40.0% 0.174 269.5);

Tailwind

colors: {
  custom: {
    50: '#756ebf',
    500: '#2637a3',
    950: '#000000',
  },
}

SCSS

$custom: #2637a3;
$custom-light: #756ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#2637a3",
  "rgb": {
    "r": 38,
    "g": 55,
    "b": 163
  },
  "hsl": {
    "h": 231.84,
    "s": 62.189,
    "l": 39.412
  },
  "oklch": {
    "l": 0.39979,
    "c": 0.17367,
    "h": 269.5
  },
  "luminance": 0.05789
}

Semantic roles & 50–950 ramp

primary

#2637A3

secondary

#C2B563

accent

#CF43E5

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2637A3

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

Preview Lab → · Contrast checker → · Palette generator →