#2017B3#2017B3

#2017B3 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 37.1% C 0.224 H 270.1°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#2017B3
RGB	rgb(32, 23, 179)
HSL	hsl(243, 77%, 40%)
HSV	hsv(243, 87%, 70%)
CMYK	cmyk(82.1%, 87.2%, 0%, 29.8%)
CIE-LAB	lab(24.24, 54.77, -77.32)
CIE-LCH	lch(24.24, 94.75, 305.31°)
OKLab	oklab(37.13% 0.0003 -0.2237)
OKLCH	oklch(37.13% 0.224 270.1)
XYZ	xyz(9.0360, 4.1735, 42.9684)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2017B3 #AAB317

analogous

#175CB3 #2017B3 #6E17B3

triadic

#2017B3 #B32017 #17B320

tetradic

#2017B3 #B3175C #AAB317 #17B36E

square

#2017B3 #B3175C #AAB317 #17B36E

split-complementary

#2017B3 #B36E17 #5CB317

monochromatic

#0D0947 #16107D #2017B3 #2F24E3 #635BEA

Accessibility & contrast

On white

11.44

#2017B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#2017B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2017B3

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2017B3	#FFFFFF	#000000	##FFFFFF
##2017B3	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041B7

Deuteranopia (green-blind)

#0031B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2017b3;
/* rgb */ color: rgb(32, 23, 179);
/* oklch */ color: oklch(37.1% 0.224 270.1);

Tailwind

colors: {
  custom: {
    50: '#7a5bcb',
    500: '#2017b3',
    950: '#000000',
  },
}

SCSS

$custom: #2017b3;
$custom-light: #7a5bcb;
$custom-dark: #000000;

JSON

{
  "hex": "#2017b3",
  "rgb": {
    "r": 32,
    "g": 23,
    "b": 179
  },
  "hsl": {
    "h": 243.462,
    "s": 77.228,
    "l": 39.608
  },
  "oklch": {
    "l": 0.37129,
    "c": 0.22368,
    "h": 270.1
  },
  "luminance": 0.04175
}

Semantic roles & 50–950 ramp

primary

#2017B3

secondary

#C7CD58

accent

#F434E9

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0414

muted

#7C7982

Preview Lab

Preview with #2017B3

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

Preview Lab → · Contrast checker → · Palette generator →