#2741B1#2741B1

#2741B1 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.2% C 0.180 H 267.7°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#2741B1
RGB	rgb(39, 65, 177)
HSL	hsl(229, 64%, 42%)
HSV	hsv(229, 78%, 69%)
CMYK	cmyk(78%, 63.3%, 0%, 30.6%)
CIE-LAB	lab(32.67, 31.35, -62.20)
CIE-LCH	lch(32.67, 69.65, 296.75°)
OKLab	oklab(43.17% -0.0072 -0.1799)
OKLCH	oklch(43.17% 0.18 267.7)
XYZ	xyz(10.6600, 7.3850, 42.4501)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2741B1 #B19727

analogous

#2786B1 #2741B1 #5227B1

triadic

#2741B1 #B12741 #41B127

tetradic

#2741B1 #B12786 #B19727 #27B152

square

#2741B1 #B12786 #B19727 #27B152

split-complementary

#2741B1 #B15227 #86B127

monochromatic

#111C4D #1C2F7F #2741B1 #405CD5 #7287E0

Accessibility & contrast

On white

8.48

#2741B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#2741B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2741B1

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2741B1	#FFFFFF	#000000	##FFFFFF
##2741B1	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	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: #2741b1;
/* rgb */ color: rgb(39, 65, 177);
/* oklch */ color: oklch(43.2% 0.180 267.7);

Tailwind

colors: {
  custom: {
    50: '#7875c9',
    500: '#2741b1',
    950: '#000000',
  },
}

SCSS

$custom: #2741b1;
$custom-light: #7875c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2741b1",
  "rgb": {
    "r": 39,
    "g": 65,
    "b": 177
  },
  "hsl": {
    "h": 228.696,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.4317,
    "c": 0.18004,
    "h": 267.7
  },
  "luminance": 0.07386
}

Semantic roles & 50–950 ramp

primary

#2741B1

secondary

#C7B66D

accent

#C841E7

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2741B1

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

Preview Lab → · Contrast checker → · Palette generator →