#2148B4#2148B4

#2148B4 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.5% C 0.177 H 264.8°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#2148B4
RGB	rgb(33, 72, 180)
HSL	hsl(224, 69%, 42%)
HSV	hsv(224, 82%, 71%)
CMYK	cmyk(81.7%, 60%, 0%, 29.4%)
CIE-LAB	lab(34.50, 27.30, -60.99)
CIE-LCH	lch(34.50, 66.82, 294.12°)
OKLab	oklab(44.55% -0.0161 -0.1764)
OKLCH	oklch(44.55% 0.177 264.8)
XYZ	xyz(11.1799, 8.2520, 44.1747)
Luminance	0.0825 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2148B4 #B48D21

analogous

#2192B4 #2148B4 #4421B4

triadic

#2148B4 #B42148 #48B421

tetradic

#2148B4 #B42192 #B48D21 #21B444

square

#2148B4 #B42192 #B48D21 #21B444

split-complementary

#2148B4 #B44421 #92B421

monochromatic

#0E1F4D #183380 #2148B4 #3863DA #6B8BE4

Accessibility & contrast

On white

7.92

#2148B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#2148B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2148B4

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2148B4	#FFFFFF	#000000	##FFFFFF
##2148B4	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B8

Deuteranopia (green-blind)

#004BB2

Tritanopia (blue-blind)

#006477

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2148b4;
/* rgb */ color: rgb(33, 72, 180);
/* oklch */ color: oklch(44.5% 0.177 264.8);

Tailwind

colors: {
  custom: {
    50: '#767acb',
    500: '#2148b4',
    950: '#000000',
  },
}

SCSS

$custom: #2148b4;
$custom-light: #767acb;
$custom-dark: #000000;

JSON

{
  "hex": "#2148b4",
  "rgb": {
    "r": 33,
    "g": 72,
    "b": 180
  },
  "hsl": {
    "h": 224.082,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.44548,
    "c": 0.17709,
    "h": 264.8
  },
  "luminance": 0.08253
}

Semantic roles & 50–950 ramp

primary

#2148B4

secondary

#CAB067

accent

#BD3CEC

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2148B4

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

Preview Lab → · Contrast checker → · Palette generator →