#2148AC#2148AC

#2148AC is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.9% C 0.166 H 264.3°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#2148AC
RGB	rgb(33, 72, 172)
HSL	hsl(223, 68%, 40%)
HSV	hsv(223, 81%, 67%)
CMYK	cmyk(80.8%, 58.1%, 0%, 32.5%)
CIE-LAB	lab(33.85, 24.20, -57.30)
CIE-LCH	lch(33.85, 62.20, 292.89°)
OKLab	oklab(43.85% -0.0164 -0.1655)
OKLCH	oklch(43.85% 0.166 264.3)
XYZ	xyz(10.3883, 7.9354, 40.0059)
Luminance	0.0794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2148AC #AC8521

analogous

#218EAC #2148AC #3F21AC

triadic

#2148AC #AC2148 #48AC21

tetradic

#2148AC #AC218E #AC8521 #21AC3F

square

#2148AC #AC218E #AC8521 #21AC3F

split-complementary

#2148AC #AC3F21 #8EAC21

monochromatic

#0D1D45 #173379 #2148AC #3261D8 #6689E2

Accessibility & contrast

On white

8.12

#2148AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#2148AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2148AC

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2148AC	#FFFFFF	#000000	##FFFFFF
##2148AC	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AF

Deuteranopia (green-blind)

#0049AA

Tritanopia (blue-blind)

#006173

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #2148ac;
/* rgb */ color: rgb(33, 72, 172);
/* oklch */ color: oklch(43.9% 0.166 264.3);

Tailwind

colors: {
  custom: {
    50: '#747ac6',
    500: '#2148ac',
    950: '#000000',
  },
}

SCSS

$custom: #2148ac;
$custom-light: #747ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#2148ac",
  "rgb": {
    "r": 33,
    "g": 72,
    "b": 172
  },
  "hsl": {
    "h": 223.165,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.43854,
    "c": 0.16636,
    "h": 264.3
  },
  "luminance": 0.07937
}

Semantic roles & 50–950 ramp

primary

#2148AC

secondary

#C7AB62

accent

#BA3DEB

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2148AC

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

Preview Lab → · Contrast checker → · Palette generator →