#2917B4#2917B4

#2917B4 is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.7% C 0.222 H 272.8°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#2917B4
RGB	rgb(41, 23, 180)
HSL	hsl(247, 77%, 40%)
HSV	hsv(247, 87%, 71%)
CMYK	cmyk(77.2%, 87.2%, 0%, 29.4%)
CIE-LAB	lab(24.89, 55.46, -76.83)
CIE-LCH	lch(24.89, 94.75, 305.82°)
OKLab	oklab(37.75% 0.0109 -0.2221)
OKLCH	oklch(37.75% 0.222 272.8)
XYZ	xyz(9.4563, 4.3785, 43.5179)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2917B4 #A2B417

analogous

#1754B4 #2917B4 #7817B4

triadic

#2917B4 #B42917 #17B429

tetradic

#2917B4 #B41754 #A2B417 #17B478

square

#2917B4 #B41754 #A2B417 #17B478

split-complementary

#2917B4 #B47817 #54B417

monochromatic

#100947 #1D107E #2917B4 #3B25E3 #6C5BEA

Accessibility & contrast

On white

11.20

#2917B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2917B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2917B4

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2917B4	#FFFFFF	#000000	##FFFFFF
##2917B4	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)

#0042B8

Deuteranopia (green-blind)

#0033B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2917b4;
/* rgb */ color: rgb(41, 23, 180);
/* oklch */ color: oklch(37.7% 0.222 272.8);

Tailwind

colors: {
  custom: {
    50: '#7d5ccc',
    500: '#2917b4',
    950: '#000000',
  },
}

SCSS

$custom: #2917b4;
$custom-light: #7d5ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#2917b4",
  "rgb": {
    "r": 41,
    "g": 23,
    "b": 180
  },
  "hsl": {
    "h": 246.879,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37747,
    "c": 0.22239,
    "h": 272.8
  },
  "luminance": 0.04379
}

Semantic roles & 50–950 ramp

primary

#2917B4

secondary

#C0CE59

accent

#F434DE

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0414

muted

#7D7982

Preview Lab

Preview with #2917B4

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

Preview Lab → · Contrast checker → · Palette generator →