#2148A8#2148A8

#2148A8 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.5% C 0.161 H 264.1°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#2148A8
RGB	rgb(33, 72, 168)
HSL	hsl(223, 67%, 39%)
HSV	hsv(223, 80%, 66%)
CMYK	cmyk(80.4%, 57.1%, 0%, 34.1%)
CIE-LAB	lab(33.53, 22.63, -55.43)
CIE-LCH	lch(33.53, 59.88, 292.21°)
OKLab	oklab(43.52% -0.0166 -0.1601)
OKLCH	oklch(43.52% 0.161 264.1)
XYZ	xyz(10.0099, 7.7840, 38.0131)
Luminance	0.0779 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2148A8 #A88121

analogous

#218BA8 #2148A8 #3E21A8

triadic

#2148A8 #A82148 #48A821

tetradic

#2148A8 #A8218B #A88121 #21A83E

square

#2148A8 #A8218B #A88121 #21A83E

split-complementary

#2148A8 #A83E21 #8BA821

monochromatic

#0D1C42 #173275 #2148A8 #3060D6 #6387E0

Accessibility & contrast

On white

8.21

#2148A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#2148A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2148A8

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2148A8	#FFFFFF	#000000	##FFFFFF
##2148A8	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AB

Deuteranopia (green-blind)

#0049A6

Tritanopia (blue-blind)

#006071

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2148a8;
/* rgb */ color: rgb(33, 72, 168);
/* oklch */ color: oklch(43.5% 0.161 264.1);

Tailwind

colors: {
  custom: {
    50: '#737ac3',
    500: '#2148a8',
    950: '#000000',
  },
}

SCSS

$custom: #2148a8;
$custom-light: #737ac3;
$custom-dark: #000000;

JSON

{
  "hex": "#2148a8",
  "rgb": {
    "r": 33,
    "g": 72,
    "b": 168
  },
  "hsl": {
    "h": 222.667,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.43515,
    "c": 0.16092,
    "h": 264.1
  },
  "luminance": 0.07785
}

Semantic roles & 50–950 ramp

primary

#2148A8

secondary

#C5A85F

accent

#B83EEA

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2148A8

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

Preview Lab → · Contrast checker → · Palette generator →