#23177D#23177D

#23177D is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.7% C 0.160 H 276.7°. Best body text is #FFFFFF at 14.09:1 contrast (WCAG AA passes).

Color values

HEX	#23177D
RGB	rgb(35, 23, 125)
HSL	hsl(247, 69%, 29%)
HSV	hsv(247, 82%, 49%)
CMYK	cmyk(72%, 81.6%, 0%, 51%)
CIE-LAB	lab(17.69, 38.30, -54.88)
CIE-LCH	lch(17.69, 66.92, 304.91°)
OKLab	oklab(30.74% 0.0186 -0.1586)
OKLCH	oklch(30.74% 0.16 276.7)
XYZ	xyz(4.7000, 2.4504, 19.6233)
Luminance	0.0245 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23177D #717D17

analogous

#173E7D #23177D #56177D

triadic

#23177D #7D2317 #177D23

tetradic

#23177D #7D173E #717D17 #177D56

square

#23177D #7D173E #717D17 #177D56

split-complementary

#23177D #7D5617 #3E7D17

monochromatic

#07051A #150D49 #23177D #3121B1 #4835DA

Accessibility & contrast

On white

14.09

#23177D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#23177D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23177D

14.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23177D	#FFFFFF	#000000	##FFFFFF
##23177D	1.00	14.09	1.49	14.09
#FFFFFF	14.09	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003080

Deuteranopia (green-blind)

#00277B

Tritanopia (blue-blind)

#00364A

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #23177d;
/* rgb */ color: rgb(35, 23, 125);
/* oklch */ color: oklch(30.7% 0.160 276.7);

Tailwind

colors: {
  custom: {
    50: '#6d57a4',
    500: '#23177d',
    950: '#000000',
  },
}

SCSS

$custom: #23177d;
$custom-light: #6d57a4;
$custom-dark: #000000;

JSON

{
  "hex": "#23177d",
  "rgb": {
    "r": 35,
    "g": 23,
    "b": 125
  },
  "hsl": {
    "h": 247.059,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.30738,
    "c": 0.15971,
    "h": 276.7
  },
  "luminance": 0.02451
}

Semantic roles & 50–950 ramp

primary

#23177D

secondary

#A4B23E

accent

#EC3CD7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #23177D

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

Preview Lab → · Contrast checker → · Palette generator →