#2118B4#2118B4

#2118B4 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.4% C 0.224 H 270.3°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#2118B4
RGB	rgb(33, 24, 180)
HSL	hsl(243, 76%, 40%)
HSV	hsv(243, 87%, 71%)
CMYK	cmyk(81.7%, 86.7%, 0%, 29.4%)
CIE-LAB	lab(24.55, 54.71, -77.40)
CIE-LCH	lch(24.55, 94.79, 305.25°)
OKLab	oklab(37.39% 0.0011 -0.2239)
OKLCH	oklch(37.39% 0.224 270.3)
XYZ	xyz(9.1893, 4.2708, 43.5112)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2118B4 #ABB418

analogous

#185DB4 #2118B4 #6F18B4

triadic

#2118B4 #B42118 #18B421

tetradic

#2118B4 #B4185D #ABB418 #18B46F

square

#2118B4 #B4185D #ABB418 #18B46F

split-complementary

#2118B4 #B46F18 #5DB418

monochromatic

#0D0A48 #17117E #2118B4 #3227E2 #655DE9

Accessibility & contrast

On white

11.32

#2118B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#2118B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2118B4

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2118B4	#FFFFFF	#000000	##FFFFFF
##2118B4	1.00	11.32	1.85	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B8

Deuteranopia (green-blind)

#0032B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2118b4;
/* rgb */ color: rgb(33, 24, 180);
/* oklch */ color: oklch(37.4% 0.224 270.3);

Tailwind

colors: {
  custom: {
    50: '#7a5ccc',
    500: '#2118b4',
    950: '#000000',
  },
}

SCSS

$custom: #2118b4;
$custom-light: #7a5ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#2118b4",
  "rgb": {
    "r": 33,
    "g": 24,
    "b": 180
  },
  "hsl": {
    "h": 243.462,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.37392,
    "c": 0.22392,
    "h": 270.3
  },
  "luminance": 0.04272
}

Semantic roles & 50–950 ramp

primary

#2118B4

secondary

#C7CD5B

accent

#F335E8

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0414

muted

#7C7982

Preview Lab

Preview with #2118B4

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

Preview Lab → · Contrast checker → · Palette generator →