#2641B1#2641B1

#2641B1 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.1% C 0.180 H 267.4°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#2641B1
RGB	rgb(38, 65, 177)
HSL	hsl(228, 65%, 42%)
HSV	hsv(228, 79%, 69%)
CMYK	cmyk(78.5%, 63.3%, 0%, 30.6%)
CIE-LAB	lab(32.63, 31.25, -62.27)
CIE-LCH	lch(32.63, 69.67, 296.65°)
OKLab	oklab(43.13% -0.008 -0.1801)
OKLCH	oklch(43.13% 0.18 267.4)
XYZ	xyz(10.6227, 7.3658, 42.4483)
Luminance	0.0737 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2641B1 #B19626

analogous

#2687B1 #2641B1 #5026B1

triadic

#2641B1 #B12641 #41B126

tetradic

#2641B1 #B12687 #B19626 #26B150

square

#2641B1 #B12687 #B19626 #26B150

split-complementary

#2641B1 #B15026 #87B126

monochromatic

#101C4C #1B2E7F #2641B1 #3F5CD6 #7187E0

Accessibility & contrast

On white

8.49

#2641B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2641B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2641B1

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2641B1	#FFFFFF	#000000	##FFFFFF
##2641B1	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B5

Deuteranopia (green-blind)

#0046AF

Tritanopia (blue-blind)

#005E73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2641b1;
/* rgb */ color: rgb(38, 65, 177);
/* oklch */ color: oklch(43.1% 0.180 267.4);

Tailwind

colors: {
  custom: {
    50: '#7775c9',
    500: '#2641b1',
    950: '#000000',
  },
}

SCSS

$custom: #2641b1;
$custom-light: #7775c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2641b1",
  "rgb": {
    "r": 38,
    "g": 65,
    "b": 177
  },
  "hsl": {
    "h": 228.345,
    "s": 64.651,
    "l": 42.157
  },
  "oklch": {
    "l": 0.43127,
    "c": 0.1803,
    "h": 267.4
  },
  "luminance": 0.07367
}

Semantic roles & 50–950 ramp

primary

#2641B1

secondary

#C7B66B

accent

#C740E8

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2641B1

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

Preview Lab → · Contrast checker → · Palette generator →