#2148AA#2148AA

#2148AA is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.7% C 0.164 H 264.2°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#2148AA
RGB	rgb(33, 72, 170)
HSL	hsl(223, 67%, 40%)
HSV	hsv(223, 81%, 67%)
CMYK	cmyk(80.6%, 57.6%, 0%, 33.3%)
CIE-LAB	lab(33.69, 23.42, -56.37)
CIE-LCH	lch(33.69, 61.04, 292.56°)
OKLab	oklab(43.68% -0.0165 -0.1628)
OKLCH	oklch(43.68% 0.164 264.2)
XYZ	xyz(10.1977, 7.8591, 39.0019)
Luminance	0.0786 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2148AA #AA8321

analogous

#218CAA #2148AA #3F21AA

triadic

#2148AA #AA2148 #48AA21

tetradic

#2148AA #AA218C #AA8321 #21AA3F

square

#2148AA #AA218C #AA8321 #21AA3F

split-complementary

#2148AA #AA3F21 #8CAA21

monochromatic

#0D1D43 #173277 #2148AA #3160D7 #6488E1

Accessibility & contrast

On white

8.16

#2148AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#2148AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2148AA

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2148AA	#FFFFFF	#000000	##FFFFFF
##2148AA	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AD

Deuteranopia (green-blind)

#0049A8

Tritanopia (blue-blind)

#006172

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2148aa;
/* rgb */ color: rgb(33, 72, 170);
/* oklch */ color: oklch(43.7% 0.164 264.2);

Tailwind

colors: {
  custom: {
    50: '#747ac4',
    500: '#2148aa',
    950: '#000000',
  },
}

SCSS

$custom: #2148aa;
$custom-light: #747ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#2148aa",
  "rgb": {
    "r": 33,
    "g": 72,
    "b": 170
  },
  "hsl": {
    "h": 222.92,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.43684,
    "c": 0.16364,
    "h": 264.2
  },
  "luminance": 0.0786
}

Semantic roles & 50–950 ramp

primary

#2148AA

secondary

#C6A961

accent

#B93DEA

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2148AA

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

Preview Lab → · Contrast checker → · Palette generator →