#2741B0#2741B0

#2741B0 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.1% C 0.179 H 267.7°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#2741B0
RGB	rgb(39, 65, 176)
HSL	hsl(229, 64%, 42%)
HSV	hsv(229, 78%, 69%)
CMYK	cmyk(77.8%, 63.1%, 0%, 31%)
CIE-LAB	lab(32.58, 30.98, -61.74)
CIE-LCH	lch(32.58, 69.08, 296.64°)
OKLab	oklab(43.08% -0.0072 -0.1786)
OKLCH	oklch(43.08% 0.179 267.7)
XYZ	xyz(10.5607, 7.3453, 41.9271)
Luminance	0.0735 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2741B0 #B09627

analogous

#2786B0 #2741B0 #5127B0

triadic

#2741B0 #B02741 #41B027

tetradic

#2741B0 #B02786 #B09627 #27B051

square

#2741B0 #B02786 #B09627 #27B051

split-complementary

#2741B0 #B05127 #86B027

monochromatic

#111C4C #1C2E7E #2741B0 #405CD5 #7287E0

Accessibility & contrast

On white

8.50

#2741B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2741B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2741B0

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2741B0	#FFFFFF	#000000	##FFFFFF
##2741B0	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B4

Deuteranopia (green-blind)

#0046AE

Tritanopia (blue-blind)

#005E72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2741b0;
/* rgb */ color: rgb(39, 65, 176);
/* oklch */ color: oklch(43.1% 0.179 267.7);

Tailwind

colors: {
  custom: {
    50: '#7775c9',
    500: '#2741b0',
    950: '#000000',
  },
}

SCSS

$custom: #2741b0;
$custom-light: #7775c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2741b0",
  "rgb": {
    "r": 39,
    "g": 65,
    "b": 176
  },
  "hsl": {
    "h": 228.613,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.43079,
    "c": 0.17871,
    "h": 267.7
  },
  "luminance": 0.07347
}

Semantic roles & 50–950 ramp

primary

#2741B0

secondary

#C7B66C

accent

#C741E7

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2741B0

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

Preview Lab → · Contrast checker → · Palette generator →