#2043B4#2043B4

#2043B4 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.5% C 0.183 H 265.6°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#2043B4
RGB	rgb(32, 67, 180)
HSL	hsl(226, 70%, 42%)
HSV	hsv(226, 82%, 71%)
CMYK	cmyk(82.2%, 62.8%, 0%, 29.4%)
CIE-LAB	lab(33.17, 30.53, -63.17)
CIE-LCH	lch(33.17, 70.16, 295.79°)
OKLab	oklab(43.55% -0.0139 -0.1828)
OKLCH	oklch(43.55% 0.183 265.6)
XYZ	xyz(10.8381, 7.6154, 44.0699)
Luminance	0.0762 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2043B4 #B49120

analogous

#208DB4 #2043B4 #4720B4

triadic

#2043B4 #B42043 #43B420

tetradic

#2043B4 #B4208D #B49120 #20B447

square

#2043B4 #B4208D #B49120 #20B447

split-complementary

#2043B4 #B44720 #8DB420

monochromatic

#0E1C4C #173080 #2043B4 #365DDB #6A87E4

Accessibility & contrast

On white

8.32

#2043B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#2043B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2043B4

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2043B4	#FFFFFF	#000000	##FFFFFF
##2043B4	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B8

Deuteranopia (green-blind)

#0047B2

Tritanopia (blue-blind)

#006175

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2043b4;
/* rgb */ color: rgb(32, 67, 180);
/* oklch */ color: oklch(43.5% 0.183 265.6);

Tailwind

colors: {
  custom: {
    50: '#7676cb',
    500: '#2043b4',
    950: '#000000',
  },
}

SCSS

$custom: #2043b4;
$custom-light: #7676cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2043b4",
  "rgb": {
    "r": 32,
    "g": 67,
    "b": 180
  },
  "hsl": {
    "h": 225.811,
    "s": 69.811,
    "l": 41.569
  },
  "oklch": {
    "l": 0.43546,
    "c": 0.18337,
    "h": 265.6
  },
  "luminance": 0.07617
}

Semantic roles & 50–950 ramp

primary

#2043B4

secondary

#CAB266

accent

#C33BED

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2043B4

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

Preview Lab → · Contrast checker → · Palette generator →