#2140B4#2140B4

#2140B4 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.0% C 0.187 H 266.4°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#2140B4
RGB	rgb(33, 64, 180)
HSL	hsl(227, 69%, 42%)
HSV	hsv(227, 82%, 71%)
CMYK	cmyk(81.7%, 64.4%, 0%, 29.4%)
CIE-LAB	lab(32.45, 32.58, -64.35)
CIE-LCH	lch(32.45, 72.13, 296.85°)
OKLab	oklab(43.02% -0.0116 -0.1863)
OKLCH	oklch(43.02% 0.187 266.4)
XYZ	xyz(10.6959, 7.2841, 44.0134)
Luminance	0.0728 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2140B4 #B49521

analogous

#218AB4 #2140B4 #4C21B4

triadic

#2140B4 #B42140 #40B421

tetradic

#2140B4 #B4218A #B49521 #21B44C

square

#2140B4 #B4218A #B49521 #21B44C

split-complementary

#2140B4 #B44C21 #8AB421

monochromatic

#0E1B4D #182E80 #2140B4 #385ADA #6B85E4

Accessibility & contrast

On white

8.55

#2140B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#2140B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2140B4

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2140B4	#FFFFFF	#000000	##FFFFFF
##2140B4	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B8

Deuteranopia (green-blind)

#0046B2

Tritanopia (blue-blind)

#005F74

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2140b4;
/* rgb */ color: rgb(33, 64, 180);
/* oklch */ color: oklch(43.0% 0.187 266.4);

Tailwind

colors: {
  custom: {
    50: '#7774cb',
    500: '#2140b4',
    950: '#000000',
  },
}

SCSS

$custom: #2140b4;
$custom-light: #7774cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2140b4",
  "rgb": {
    "r": 33,
    "g": 64,
    "b": 180
  },
  "hsl": {
    "h": 227.347,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.43022,
    "c": 0.18668,
    "h": 266.4
  },
  "luminance": 0.07285
}

Semantic roles & 50–950 ramp

primary

#2140B4

secondary

#CAB567

accent

#C73CEC

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2140B4

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

Preview Lab → · Contrast checker → · Palette generator →