#2118B3#2118B3

#2118B3 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 37.3% C 0.223 H 270.3°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#2118B3
RGB	rgb(33, 24, 179)
HSL	hsl(243, 76%, 40%)
HSV	hsv(243, 87%, 70%)
CMYK	cmyk(81.6%, 86.6%, 0%, 29.8%)
CIE-LAB	lab(24.42, 54.42, -77.02)
CIE-LCH	lch(24.42, 94.31, 305.24°)
OKLab	oklab(37.27% 0.0013 -0.2228)
OKLCH	oklch(37.27% 0.223 270.3)
XYZ	xyz(9.0878, 4.2302, 42.9766)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2118B3 #AAB318

analogous

#185CB3 #2118B3 #6F18B3

triadic

#2118B3 #B32118 #18B321

tetradic

#2118B3 #B3185C #AAB318 #18B36F

square

#2118B3 #B3185C #AAB318 #18B36F

split-complementary

#2118B3 #B36F18 #5CB318

monochromatic

#0D0A47 #17117D #2118B3 #3126E2 #645CE9

Accessibility & contrast

On white

11.37

#2118B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#2118B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2118B3

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2118B3	#FFFFFF	#000000	##FFFFFF
##2118B3	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041B7

Deuteranopia (green-blind)

#0032B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2118b3;
/* rgb */ color: rgb(33, 24, 179);
/* oklch */ color: oklch(37.3% 0.223 270.3);

Tailwind

colors: {
  custom: {
    50: '#7a5ccb',
    500: '#2118b3',
    950: '#000000',
  },
}

SCSS

$custom: #2118b3;
$custom-light: #7a5ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#2118b3",
  "rgb": {
    "r": 33,
    "g": 24,
    "b": 179
  },
  "hsl": {
    "h": 243.484,
    "s": 76.355,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37267,
    "c": 0.22281,
    "h": 270.3
  },
  "luminance": 0.04231
}

Semantic roles & 50–950 ramp

primary

#2118B3

secondary

#C6CD5A

accent

#F335E8

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0414

muted

#7C7982

Preview Lab

Preview with #2118B3

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

Preview Lab → · Contrast checker → · Palette generator →