#2637A1#2637A1

#2637A1 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.8% C 0.171 H 269.5°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#2637A1
RGB	rgb(38, 55, 161)
HSL	hsl(232, 62%, 39%)
HSV	hsv(232, 76%, 63%)
CMYK	cmyk(76.4%, 65.8%, 0%, 36.9%)
CIE-LAB	lab(28.69, 31.82, -59.12)
CIE-LCH	lch(28.69, 67.14, 298.29°)
OKLab	oklab(39.79% -0.0014 -0.171)
OKLCH	oklch(39.79% 0.171 269.5)
XYZ	xyz(8.5963, 5.7167, 34.3617)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2637A1 #A19026

analogous

#2675A1 #2637A1 #5326A1

triadic

#2637A1 #A12637 #37A126

tetradic

#2637A1 #A12675 #A19026 #26A153

square

#2637A1 #A12675 #A19026 #26A153

split-complementary

#2637A1 #A15326 #75A126

monochromatic

#0F153E #1A266F #2637A1 #354ACF #6677DB

Accessibility & contrast

On white

9.80

#2637A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#2637A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2637A1

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2637A1	#FFFFFF	#000000	##FFFFFF
##2637A1	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA4

Deuteranopia (green-blind)

#003E9F

Tritanopia (blue-blind)

#005367

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2637a1;
/* rgb */ color: rgb(38, 55, 161);
/* oklch */ color: oklch(39.8% 0.171 269.5);

Tailwind

colors: {
  custom: {
    50: '#746ebe',
    500: '#2637a1',
    950: '#000000',
  },
}

SCSS

$custom: #2637a1;
$custom-light: #746ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#2637a1",
  "rgb": {
    "r": 38,
    "g": 55,
    "b": 161
  },
  "hsl": {
    "h": 231.707,
    "s": 61.809,
    "l": 39.02
  },
  "oklch": {
    "l": 0.39787,
    "c": 0.17101,
    "h": 269.5
  },
  "luminance": 0.05718
}

Semantic roles & 50–950 ramp

primary

#2637A1

secondary

#C1B462

accent

#CF43E5

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2637A1

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

Preview Lab → · Contrast checker → · Palette generator →