#2741AB#2741AB

#2741AB is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.6% C 0.172 H 267.6°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#2741AB
RGB	rgb(39, 65, 171)
HSL	hsl(228, 63%, 41%)
HSV	hsv(228, 77%, 67%)
CMYK	cmyk(77.2%, 62%, 0%, 32.9%)
CIE-LAB	lab(32.15, 29.10, -59.47)
CIE-LCH	lch(32.15, 66.20, 296.07°)
OKLab	oklab(42.63% -0.0071 -0.1719)
OKLCH	oklch(42.63% 0.172 267.6)
XYZ	xyz(10.0751, 7.1511, 39.3695)
Luminance	0.0715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2741AB #AB9127

analogous

#2783AB #2741AB #4F27AB

triadic

#2741AB #AB2741 #41AB27

tetradic

#2741AB #AB2783 #AB9127 #27AB4F

square

#2741AB #AB2783 #AB9127 #27AB4F

split-complementary

#2741AB #AB4F27 #83AB27

monochromatic

#101B47 #1C2E79 #2741AB #3D5AD3 #6E84DE

Accessibility & contrast

On white

8.64

#2741AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#2741AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2741AB

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2741AB	#FFFFFF	#000000	##FFFFFF
##2741AB	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AE

Deuteranopia (green-blind)

#0046A9

Tritanopia (blue-blind)

#005C6F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2741ab;
/* rgb */ color: rgb(39, 65, 171);
/* oklch */ color: oklch(42.6% 0.172 267.6);

Tailwind

colors: {
  custom: {
    50: '#7675c5',
    500: '#2741ab',
    950: '#000000',
  },
}

SCSS

$custom: #2741ab;
$custom-light: #7675c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2741ab",
  "rgb": {
    "r": 39,
    "g": 65,
    "b": 171
  },
  "hsl": {
    "h": 228.182,
    "s": 62.857,
    "l": 41.176
  },
  "oklch": {
    "l": 0.42626,
    "c": 0.17205,
    "h": 267.6
  },
  "luminance": 0.07152
}

Semantic roles & 50–950 ramp

primary

#2741AB

secondary

#C5B369

accent

#C642E6

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2741AB

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

Preview Lab → · Contrast checker → · Palette generator →