#2640BD#2640BD

#2640BD is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.1% C 0.197 H 267.7°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#2640BD
RGB	rgb(38, 64, 189)
HSL	hsl(230, 67%, 45%)
HSV	hsv(230, 80%, 74%)
CMYK	cmyk(79.9%, 66.1%, 0%, 25.9%)
CIE-LAB	lab(33.46, 36.35, -68.00)
CIE-LCH	lch(33.46, 77.10, 298.13°)
OKLab	oklab(44.07% -0.0079 -0.1969)
OKLCH	oklch(44.07% 0.197 267.7)
XYZ	xyz(11.8148, 7.7516, 49.0078)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.84

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2640BD #BDA326

analogous

#268CBD #2640BD #5826BD

triadic

#2640BD #BD2640 #40BD26

tetradic

#2640BD #BD268C #BDA326 #26BD58

square

#2640BD #BD268C #BDA326 #26BD58

split-complementary

#2640BD #BD5826 #8CBD26

monochromatic

#121D57 #1C2F8A #2640BD #4660DA #798CE4

Accessibility & contrast

On white

8.23

#2640BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#2640BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2640BD

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2640BD	#FFFFFF	#000000	##FFFFFF
##2640BD	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C1

Deuteranopia (green-blind)

#0048BB

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2640bd;
/* rgb */ color: rgb(38, 64, 189);
/* oklch */ color: oklch(44.1% 0.197 267.7);

Tailwind

colors: {
  custom: {
    50: '#7a75d2',
    500: '#2640bd',
    950: '#000000',
  },
}

SCSS

$custom: #2640bd;
$custom-light: #7a75d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2640bd",
  "rgb": {
    "r": 38,
    "g": 64,
    "b": 189
  },
  "hsl": {
    "h": 229.669,
    "s": 66.52,
    "l": 44.51
  },
  "oklch": {
    "l": 0.44072,
    "c": 0.19705,
    "h": 267.7
  },
  "luminance": 0.07753
}

Semantic roles & 50–950 ramp

primary

#2640BD

secondary

#CCBD73

accent

#CC3EE9

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #2640BD

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

Preview Lab → · Contrast checker → · Palette generator →