#23177E#23177E

#23177E is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.9% C 0.161 H 276.5°. Best body text is #FFFFFF at 14.04:1 contrast (WCAG AA passes).

Color values

HEX	#23177E
RGB	rgb(35, 23, 126)
HSL	hsl(247, 69%, 29%)
HSV	hsv(247, 82%, 49%)
CMYK	cmyk(72.2%, 81.7%, 0%, 50.6%)
CIE-LAB	lab(17.81, 38.62, -55.32)
CIE-LCH	lch(17.81, 67.47, 304.92°)
OKLab	oklab(30.85% 0.0183 -0.1599)
OKLCH	oklch(30.85% 0.161 276.5)
XYZ	xyz(4.7642, 2.4760, 19.9615)
Luminance	0.0248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23177E #727E17

analogous

#173F7E #23177E #57177E

triadic

#23177E #7E2317 #177E23

tetradic

#23177E #7E173F #727E17 #177E57

square

#23177E #7E173F #727E17 #177E57

split-complementary

#23177E #7E5717 #3F7E17

monochromatic

#07051A #150E4A #23177E #3120B2 #4835DA

Accessibility & contrast

On white

14.04

#23177E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#23177E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23177E

14.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23177E	#FFFFFF	#000000	##FFFFFF
##23177E	1.00	14.04	1.50	14.04
#FFFFFF	14.04	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003081

Deuteranopia (green-blind)

#00277C

Tritanopia (blue-blind)

#00364A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #23177e;
/* rgb */ color: rgb(35, 23, 126);
/* oklch */ color: oklch(30.9% 0.161 276.5);

Tailwind

colors: {
  custom: {
    50: '#6d57a5',
    500: '#23177e',
    950: '#000000',
  },
}

SCSS

$custom: #23177e;
$custom-light: #6d57a5;
$custom-dark: #000000;

JSON

{
  "hex": "#23177e",
  "rgb": {
    "r": 35,
    "g": 23,
    "b": 126
  },
  "hsl": {
    "h": 246.99,
    "s": 69.128,
    "l": 29.216
  },
  "oklch": {
    "l": 0.30854,
    "c": 0.16094,
    "h": 276.5
  },
  "luminance": 0.02476
}

Semantic roles & 50–950 ramp

primary

#23177E

secondary

#A5B33E

accent

#EC3CD7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #23177E

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

Preview Lab → · Contrast checker → · Palette generator →