#2918B4#2918B4

#2918B4 is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.8% C 0.222 H 272.8°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#2918B4
RGB	rgb(41, 24, 180)
HSL	hsl(247, 76%, 40%)
HSV	hsv(247, 87%, 71%)
CMYK	cmyk(77.2%, 86.7%, 0%, 29.4%)
CIE-LAB	lab(25.01, 55.08, -76.62)
CIE-LCH	lch(25.01, 94.36, 305.71°)
OKLab	oklab(37.83% 0.0107 -0.2215)
OKLCH	oklch(37.83% 0.222 272.8)
XYZ	xyz(9.4766, 4.4189, 43.5247)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2918B4 #A3B418

analogous

#1855B4 #2918B4 #7718B4

triadic

#2918B4 #B42918 #18B429

tetradic

#2918B4 #B41855 #A3B418 #18B477

square

#2918B4 #B41855 #A3B418 #18B477

split-complementary

#2918B4 #B47718 #55B418

monochromatic

#100A48 #1D117E #2918B4 #3B27E2 #6C5DE9

Accessibility & contrast

On white

11.15

#2918B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2918B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2918B4

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2918B4	#FFFFFF	#000000	##FFFFFF
##2918B4	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B8

Deuteranopia (green-blind)

#0034B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2918b4;
/* rgb */ color: rgb(41, 24, 180);
/* oklch */ color: oklch(37.8% 0.222 272.8);

Tailwind

colors: {
  custom: {
    50: '#7d5ccc',
    500: '#2918b4',
    950: '#000000',
  },
}

SCSS

$custom: #2918b4;
$custom-light: #7d5ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#2918b4",
  "rgb": {
    "r": 41,
    "g": 24,
    "b": 180
  },
  "hsl": {
    "h": 246.538,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.37833,
    "c": 0.22179,
    "h": 272.8
  },
  "luminance": 0.0442
}

Semantic roles & 50–950 ramp

primary

#2918B4

secondary

#C1CD5B

accent

#F335DE

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0414

muted

#7D7982

Preview Lab

Preview with #2918B4

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

Preview Lab → · Contrast checker → · Palette generator →