#1E17A1#1E17A1

#1E17A1 is a dark, highly saturated blue. Relative luminance 0.035; OKLCH L 34.8% C 0.204 H 270.7°. Best body text is #FFFFFF at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#1E17A1
RGB	rgb(30, 23, 161)
HSL	hsl(243, 75%, 36%)
HSV	hsv(243, 86%, 63%)
CMYK	cmyk(81.4%, 85.7%, 0%, 36.9%)
CIE-LAB	lab(21.80, 49.32, -70.50)
CIE-LCH	lch(21.80, 86.04, 304.98°)
OKLab	oklab(34.78% 0.0024 -0.204)
OKLCH	oklch(34.78% 0.204 270.7)
XYZ	xyz(7.2727, 3.4612, 33.9961)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E17A1 #9AA117

analogous

#1755A1 #1E17A1 #6317A1

triadic

#1E17A1 #A11E17 #17A11E

tetradic

#1E17A1 #A11755 #9AA117 #17A163

square

#1E17A1 #A11755 #9AA117 #17A163

split-complementary

#1E17A1 #A16317 #55A117

monochromatic

#0A0836 #140F6B #1E17A1 #281FD7 #554DE6

Accessibility & contrast

On white

12.41

#1E17A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1E17A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1E17A1

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E17A1	#FFFFFF	#000000	##FFFFFF
##1E17A1	1.00	12.41	1.69	12.41
#FFFFFF	12.41	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003BA5

Deuteranopia (green-blind)

#002D9F

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1e17a1;
/* rgb */ color: rgb(30, 23, 161);
/* oklch */ color: oklch(34.8% 0.204 270.7);

Tailwind

colors: {
  custom: {
    50: '#755abe',
    500: '#1e17a1',
    950: '#000000',
  },
}

SCSS

$custom: #1e17a1;
$custom-light: #755abe;
$custom-dark: #000000;

JSON

{
  "hex": "#1e17a1",
  "rgb": {
    "r": 30,
    "g": 23,
    "b": 161
  },
  "hsl": {
    "h": 243.043,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.34775,
    "c": 0.204,
    "h": 270.7
  },
  "luminance": 0.03462
}

Semantic roles & 50–950 ramp

primary

#1E17A1

secondary

#C1C74C

accent

#F236E8

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1E17A1

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

Preview Lab → · Contrast checker → · Palette generator →