#2040B3#2040B3

#2040B3 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.9% C 0.186 H 266.2°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#2040B3
RGB	rgb(32, 64, 179)
HSL	hsl(227, 70%, 41%)
HSV	hsv(227, 82%, 70%)
CMYK	cmyk(82.1%, 64.2%, 0%, 29.8%)
CIE-LAB	lab(32.32, 32.12, -63.97)
CIE-LCH	lch(32.32, 71.58, 296.66°)
OKLab	oklab(42.89% -0.0123 -0.1852)
OKLCH	oklch(42.89% 0.186 266.2)
XYZ	xyz(10.5629, 7.2273, 43.4774)
Luminance	0.0723 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2040B3 #B39320

analogous

#208AB3 #2040B3 #4A20B3

triadic

#2040B3 #B32040 #40B320

tetradic

#2040B3 #B3208A #B39320 #20B34A

square

#2040B3 #B3208A #B39320 #20B34A

split-complementary

#2040B3 #B34A20 #8AB320

monochromatic

#0D1B4B #172D7F #2040B3 #3559DB #6984E4

Accessibility & contrast

On white

8.59

#2040B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2040B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2040B3

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2040B3	#FFFFFF	#000000	##FFFFFF
##2040B3	1.00	8.59	2.45	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B7

Deuteranopia (green-blind)

#0045B1

Tritanopia (blue-blind)

#005E73

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2040b3;
/* rgb */ color: rgb(32, 64, 179);
/* oklch */ color: oklch(42.9% 0.186 266.2);

Tailwind

colors: {
  custom: {
    50: '#7674cb',
    500: '#2040b3',
    950: '#000000',
  },
}

SCSS

$custom: #2040b3;
$custom-light: #7674cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2040b3",
  "rgb": {
    "r": 32,
    "g": 64,
    "b": 179
  },
  "hsl": {
    "h": 226.939,
    "s": 69.668,
    "l": 41.373
  },
  "oklch": {
    "l": 0.42891,
    "c": 0.18562,
    "h": 266.2
  },
  "luminance": 0.07229
}

Semantic roles & 50–950 ramp

primary

#2040B3

secondary

#CAB465

accent

#C63BEC

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2040B3

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

Preview Lab → · Contrast checker → · Palette generator →