#23177A#23177A

#23177A is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.4% C 0.156 H 277.2°. Best body text is #FFFFFF at 14.24:1 contrast (WCAG AA passes).

Color values

HEX	#23177A
RGB	rgb(35, 23, 122)
HSL	hsl(247, 68%, 28%)
HSV	hsv(247, 81%, 48%)
CMYK	cmyk(71.3%, 81.1%, 0%, 52.2%)
CIE-LAB	lab(17.34, 37.31, -53.54)
CIE-LCH	lch(17.34, 65.26, 304.87°)
OKLab	oklab(30.39% 0.0194 -0.1547)
OKLCH	oklch(30.39% 0.156 277.2)
XYZ	xyz(4.5112, 2.3749, 18.6292)
Luminance	0.0238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23177A #6E7A17

analogous

#173C7A #23177A #54177A

triadic

#23177A #7A2317 #177A23

tetradic

#23177A #7A173C #6E7A17 #177A54

square

#23177A #7A173C #6E7A17 #177A54

split-complementary

#23177A #7A5417 #3C7A17

monochromatic

#07051A #140D47 #23177A #3221AD #4733D9

Accessibility & contrast

On white

14.24

#23177A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#23177A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23177A

14.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23177A	#FFFFFF	#000000	##FFFFFF
##23177A	1.00	14.24	1.48	14.24
#FFFFFF	14.24	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F7D

Deuteranopia (green-blind)

#002678

Tritanopia (blue-blind)

#003548

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #23177a;
/* rgb */ color: rgb(35, 23, 122);
/* oklch */ color: oklch(30.4% 0.156 277.2);

Tailwind

colors: {
  custom: {
    50: '#6c57a2',
    500: '#23177a',
    950: '#000000',
  },
}

SCSS

$custom: #23177a;
$custom-light: #6c57a2;
$custom-dark: #000000;

JSON

{
  "hex": "#23177a",
  "rgb": {
    "r": 35,
    "g": 23,
    "b": 122
  },
  "hsl": {
    "h": 247.273,
    "s": 68.276,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30391,
    "c": 0.15594,
    "h": 277.2
  },
  "luminance": 0.02375
}

Semantic roles & 50–950 ramp

primary

#23177A

secondary

#A1AF3E

accent

#EB3DD6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #23177A

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

Preview Lab → · Contrast checker → · Palette generator →