#2018B4#2018B4

#2018B4 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.3% C 0.224 H 270.0°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#2018B4
RGB	rgb(32, 24, 180)
HSL	hsl(243, 76%, 40%)
HSV	hsv(243, 87%, 71%)
CMYK	cmyk(82.2%, 86.7%, 0%, 29.4%)
CIE-LAB	lab(24.50, 54.67, -77.49)
CIE-LCH	lch(24.50, 94.83, 305.20°)
OKLab	oklab(37.34% -0.0001 -0.2242)
OKLCH	oklch(37.34% 0.224 270)
XYZ	xyz(9.1577, 4.2546, 43.5097)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2018B4 #ACB418

analogous

#185EB4 #2018B4 #6E18B4

triadic

#2018B4 #B42018 #18B420

tetradic

#2018B4 #B4185E #ACB418 #18B46E

square

#2018B4 #B4185E #ACB418 #18B46E

split-complementary

#2018B4 #B46E18 #5EB418

monochromatic

#0D0A48 #16117E #2018B4 #3127E2 #645DE9

Accessibility & contrast

On white

11.34

#2018B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#2018B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2018B4

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2018B4	#FFFFFF	#000000	##FFFFFF
##2018B4	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B8

Deuteranopia (green-blind)

#0032B2

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2018b4;
/* rgb */ color: rgb(32, 24, 180);
/* oklch */ color: oklch(37.3% 0.224 270.0);

Tailwind

colors: {
  custom: {
    50: '#7a5ccc',
    500: '#2018b4',
    950: '#000000',
  },
}

SCSS

$custom: #2018b4;
$custom-light: #7a5ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#2018b4",
  "rgb": {
    "r": 32,
    "g": 24,
    "b": 180
  },
  "hsl": {
    "h": 243.077,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.37342,
    "c": 0.22418,
    "h": 270
  },
  "luminance": 0.04256
}

Semantic roles & 50–950 ramp

primary

#2018B4

secondary

#C7CD5B

accent

#F335E9

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0414

muted

#7C7982

Preview Lab

Preview with #2018B4

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

Preview Lab → · Contrast checker → · Palette generator →