#2417B3#2417B3

#2417B3 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 37.3% C 0.223 H 271.3°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#2417B3
RGB	rgb(36, 23, 179)
HSL	hsl(245, 77%, 40%)
HSV	hsv(245, 87%, 70%)
CMYK	cmyk(79.9%, 87.2%, 0%, 29.8%)
CIE-LAB	lab(24.45, 54.93, -76.96)
CIE-LCH	lch(24.45, 94.55, 305.52°)
OKLab	oklab(37.34% 0.0049 -0.2226)
OKLCH	oklch(37.34% 0.223 271.3)
XYZ	xyz(9.1679, 4.2415, 42.9746)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2417B3 #A6B317

analogous

#1758B3 #2417B3 #7217B3

triadic

#2417B3 #B32417 #17B324

tetradic

#2417B3 #B31758 #A6B317 #17B372

square

#2417B3 #B31758 #A6B317 #17B372

split-complementary

#2417B3 #B37217 #58B317

monochromatic

#0E0947 #19107D #2417B3 #3424E3 #665BEA

Accessibility & contrast

On white

11.36

#2417B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#2417B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2417B3

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2417B3	#FFFFFF	#000000	##FFFFFF
##2417B3	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041B7

Deuteranopia (green-blind)

#0032B1

Tritanopia (blue-blind)

#004C6A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2417b3;
/* rgb */ color: rgb(36, 23, 179);
/* oklch */ color: oklch(37.3% 0.223 271.3);

Tailwind

colors: {
  custom: {
    50: '#7b5ccb',
    500: '#2417b3',
    950: '#000000',
  },
}

SCSS

$custom: #2417b3;
$custom-light: #7b5ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#2417b3",
  "rgb": {
    "r": 36,
    "g": 23,
    "b": 179
  },
  "hsl": {
    "h": 245,
    "s": 77.228,
    "l": 39.608
  },
  "oklch": {
    "l": 0.37336,
    "c": 0.22261,
    "h": 271.3
  },
  "luminance": 0.04243
}

Semantic roles & 50–950 ramp

primary

#2417B3

secondary

#C4CD58

accent

#F434E4

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0B0414

muted

#7C7982

Preview Lab

Preview with #2417B3

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

Preview Lab → · Contrast checker → · Palette generator →