#2949B3#2949B3

#2949B3 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 45.0% C 0.172 H 266.5°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#2949B3
RGB	rgb(41, 73, 179)
HSL	hsl(226, 63%, 43%)
HSV	hsv(226, 77%, 70%)
CMYK	cmyk(77.1%, 59.2%, 0%, 29.8%)
CIE-LAB	lab(34.98, 27.05, -59.60)
CIE-LCH	lch(34.98, 65.45, 294.41°)
OKLab	oklab(44.97% -0.0106 -0.1721)
OKLCH	oklch(44.97% 0.172 266.5)
XYZ	xyz(11.4308, 8.4899, 43.6754)
Luminance	0.0849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2949B3 #B39329

analogous

#298EB3 #2949B3 #4E29B3

triadic

#2949B3 #B32949 #49B329

tetradic

#2949B3 #B3298E #B39329 #29B34E

square

#2949B3 #B3298E #B39329 #29B34E

split-complementary

#2949B3 #B34E29 #8EB329

monochromatic

#12204F #1E3581 #2949B3 #4566D4 #778FE0

Accessibility & contrast

On white

7.78

#2949B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#2949B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2949B3

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2949B3	#FFFFFF	#000000	##FFFFFF
##2949B3	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B7

Deuteranopia (green-blind)

#004CB1

Tritanopia (blue-blind)

#006477

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2949b3;
/* rgb */ color: rgb(41, 73, 179);
/* oklch */ color: oklch(45.0% 0.172 266.5);

Tailwind

colors: {
  custom: {
    50: '#787bcb',
    500: '#2949b3',
    950: '#000000',
  },
}

SCSS

$custom: #2949b3;
$custom-light: #787bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2949b3",
  "rgb": {
    "r": 41,
    "g": 73,
    "b": 179
  },
  "hsl": {
    "h": 226.087,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.44966,
    "c": 0.17247,
    "h": 266.5
  },
  "luminance": 0.08491
}

Semantic roles & 50–950 ramp

primary

#2949B3

secondary

#C7B370

accent

#C042E6

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2949B3

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

Preview Lab → · Contrast checker → · Palette generator →