#2917B3#2917B3

#2917B3 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.6% C 0.221 H 272.9°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#2917B3
RGB	rgb(41, 23, 179)
HSL	hsl(247, 77%, 40%)
HSV	hsv(247, 87%, 70%)
CMYK	cmyk(77.1%, 87.2%, 0%, 29.8%)
CIE-LAB	lab(24.76, 55.17, -76.44)
CIE-LCH	lch(24.76, 94.27, 305.82°)
OKLab	oklab(37.63% 0.0112 -0.221)
OKLCH	oklch(37.63% 0.221 272.9)
XYZ	xyz(9.3548, 4.3379, 42.9834)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2917B3 #A1B317

analogous

#1753B3 #2917B3 #7717B3

triadic

#2917B3 #B32917 #17B329

tetradic

#2917B3 #B31753 #A1B317 #17B377

square

#2917B3 #B31753 #A1B317 #17B377

split-complementary

#2917B3 #B37717 #53B317

monochromatic

#100947 #1D107D #2917B3 #3A24E3 #6B5BEA

Accessibility & contrast

On white

11.24

#2917B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2917B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2917B3

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2917B3	#FFFFFF	#000000	##FFFFFF
##2917B3	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B7

Deuteranopia (green-blind)

#0033B0

Tritanopia (blue-blind)

#004C6A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2917b3;
/* rgb */ color: rgb(41, 23, 179);
/* oklch */ color: oklch(37.6% 0.221 272.9);

Tailwind

colors: {
  custom: {
    50: '#7c5ccb',
    500: '#2917b3',
    950: '#000000',
  },
}

SCSS

$custom: #2917b3;
$custom-light: #7c5ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#2917b3",
  "rgb": {
    "r": 41,
    "g": 23,
    "b": 179
  },
  "hsl": {
    "h": 246.923,
    "s": 77.228,
    "l": 39.608
  },
  "oklch": {
    "l": 0.37625,
    "c": 0.22128,
    "h": 272.9
  },
  "luminance": 0.04339
}

Semantic roles & 50–950 ramp

primary

#2917B3

secondary

#C0CD58

accent

#F434DE

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0414

muted

#7D7982

Preview Lab

Preview with #2917B3

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

Preview Lab → · Contrast checker → · Palette generator →