#2918B3#2918B3

#2918B3 is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.7% C 0.221 H 272.9°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#2918B3
RGB	rgb(41, 24, 179)
HSL	hsl(247, 76%, 40%)
HSV	hsv(247, 87%, 70%)
CMYK	cmyk(77.1%, 86.6%, 0%, 29.8%)
CIE-LAB	lab(24.88, 54.79, -76.23)
CIE-LCH	lch(24.88, 93.88, 305.71°)
OKLab	oklab(37.71% 0.011 -0.2204)
OKLCH	oklch(37.71% 0.221 272.9)
XYZ	xyz(9.3751, 4.3783, 42.9901)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2918B3 #A2B318

analogous

#1854B3 #2918B3 #7718B3

triadic

#2918B3 #B32918 #18B329

tetradic

#2918B3 #B31854 #A2B318 #18B377

square

#2918B3 #B31854 #A2B318 #18B377

split-complementary

#2918B3 #B37718 #54B318

monochromatic

#100A47 #1D117D #2918B3 #3B26E2 #6C5CE9

Accessibility & contrast

On white

11.20

#2918B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2918B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2918B3

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2918B3	#FFFFFF	#000000	##FFFFFF
##2918B3	1.00	11.20	1.88	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B7

Deuteranopia (green-blind)

#0034B0

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2918b3;
/* rgb */ color: rgb(41, 24, 179);
/* oklch */ color: oklch(37.7% 0.221 272.9);

Tailwind

colors: {
  custom: {
    50: '#7c5ccb',
    500: '#2918b3',
    950: '#000000',
  },
}

SCSS

$custom: #2918b3;
$custom-light: #7c5ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#2918b3",
  "rgb": {
    "r": 41,
    "g": 24,
    "b": 179
  },
  "hsl": {
    "h": 246.581,
    "s": 76.355,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37711,
    "c": 0.22069,
    "h": 272.9
  },
  "luminance": 0.04379
}

Semantic roles & 50–950 ramp

primary

#2918B3

secondary

#C0CD5A

accent

#F335DE

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0414

muted

#7D7982

Preview Lab

Preview with #2918B3

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

Preview Lab → · Contrast checker → · Palette generator →