#2948B3#2948B3

#2948B3 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.8% C 0.174 H 266.7°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#2948B3
RGB	rgb(41, 72, 179)
HSL	hsl(227, 63%, 43%)
HSV	hsv(227, 77%, 70%)
CMYK	cmyk(77.1%, 59.8%, 0%, 29.8%)
CIE-LAB	lab(34.72, 27.71, -60.02)
CIE-LCH	lch(34.72, 66.11, 294.78°)
OKLab	oklab(44.77% -0.0099 -0.1734)
OKLCH	oklch(44.77% 0.174 266.7)
XYZ	xyz(11.3657, 8.3595, 43.6536)
Luminance	0.0836 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2948B3 #B39429

analogous

#298DB3 #2948B3 #4F29B3

triadic

#2948B3 #B32948 #48B329

tetradic

#2948B3 #B3298D #B39429 #29B34F

square

#2948B3 #B3298D #B39429 #29B34F

split-complementary

#2948B3 #B34F29 #8DB329

monochromatic

#12204F #1E3481 #2948B3 #4565D4 #778EE0

Accessibility & contrast

On white

7.86

#2948B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#2948B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2948B3

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2948B3	#FFFFFF	#000000	##FFFFFF
##2948B3	1.00	7.86	2.67	7.86
#FFFFFF	7.86	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B7

Deuteranopia (green-blind)

#004BB1

Tritanopia (blue-blind)

#006376

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2948b3;
/* rgb */ color: rgb(41, 72, 179);
/* oklch */ color: oklch(44.8% 0.174 266.7);

Tailwind

colors: {
  custom: {
    50: '#787acb',
    500: '#2948b3',
    950: '#000000',
  },
}

SCSS

$custom: #2948b3;
$custom-light: #787acb;
$custom-dark: #000000;

JSON

{
  "hex": "#2948b3",
  "rgb": {
    "r": 41,
    "g": 72,
    "b": 179
  },
  "hsl": {
    "h": 226.522,
    "s": 62.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.4477,
    "c": 0.1737,
    "h": 266.7
  },
  "luminance": 0.08361
}

Semantic roles & 50–950 ramp

primary

#2948B3

secondary

#C7B470

accent

#C142E6

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2948B3

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

Preview Lab → · Contrast checker → · Palette generator →