#2140B2#2140B2

#2140B2 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.8% C 0.184 H 266.4°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#2140B2
RGB	rgb(33, 64, 178)
HSL	hsl(227, 69%, 41%)
HSV	hsv(227, 81%, 70%)
CMYK	cmyk(81.5%, 64%, 0%, 30.2%)
CIE-LAB	lab(32.27, 31.83, -63.46)
CIE-LCH	lch(32.27, 70.99, 296.63°)
OKLab	oklab(42.83% -0.0116 -0.1837)
OKLCH	oklch(42.83% 0.184 266.4)
XYZ	xyz(10.4937, 7.2032, 42.9481)
Luminance	0.0720 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2140B2 #B29321

analogous

#2189B2 #2140B2 #4A21B2

triadic

#2140B2 #B22140 #40B221

tetradic

#2140B2 #B22189 #B29321 #21B24A

square

#2140B2 #B22189 #B29321 #21B24A

split-complementary

#2140B2 #B24A21 #89B221

monochromatic

#0E1B4B #172D7E #2140B2 #3659DA #6A84E3

Accessibility & contrast

On white

8.60

#2140B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#2140B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2140B2

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2140B2	#FFFFFF	#000000	##FFFFFF
##2140B2	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B6

Deuteranopia (green-blind)

#0045B0

Tritanopia (blue-blind)

#005E73

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2140b2;
/* rgb */ color: rgb(33, 64, 178);
/* oklch */ color: oklch(42.8% 0.184 266.4);

Tailwind

colors: {
  custom: {
    50: '#7674ca',
    500: '#2140b2',
    950: '#000000',
  },
}

SCSS

$custom: #2140b2;
$custom-light: #7674ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2140b2",
  "rgb": {
    "r": 33,
    "g": 64,
    "b": 178
  },
  "hsl": {
    "h": 227.172,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.42834,
    "c": 0.18407,
    "h": 266.4
  },
  "luminance": 0.07204
}

Semantic roles & 50–950 ramp

primary

#2140B2

secondary

#C9B466

accent

#C63CEC

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2140B2

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

Preview Lab → · Contrast checker → · Palette generator →