#23177F#23177F

#23177F is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.0% C 0.162 H 276.4°. Best body text is #FFFFFF at 14.00:1 contrast (WCAG AA passes).

Color values

HEX	#23177F
RGB	rgb(35, 23, 127)
HSL	hsl(247, 69%, 29%)
HSV	hsv(247, 82%, 50%)
CMYK	cmyk(72.4%, 81.9%, 0%, 50.2%)
CIE-LAB	lab(17.93, 38.95, -55.76)
CIE-LCH	lch(17.93, 68.02, 304.93°)
OKLab	oklab(30.97% 0.018 -0.1612)
OKLCH	oklch(30.97% 0.162 276.4)
XYZ	xyz(4.8290, 2.5020, 20.3030)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23177F #737F17

analogous

#173F7F #23177F #57177F

triadic

#23177F #7F2317 #177F23

tetradic

#23177F #7F173F #737F17 #177F57

square

#23177F #7F173F #737F17 #177F57

split-complementary

#23177F #7F5717 #3F7F17

monochromatic

#07051A #150E4B #23177F #3120B3 #4936DB

Accessibility & contrast

On white

14.00

#23177F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#23177F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23177F

14.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23177F	#FFFFFF	#000000	##FFFFFF
##23177F	1.00	14.00	1.50	14.00
#FFFFFF	14.00	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003082

Deuteranopia (green-blind)

#00277D

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #23177f;
/* rgb */ color: rgb(35, 23, 127);
/* oklch */ color: oklch(31.0% 0.162 276.4);

Tailwind

colors: {
  custom: {
    50: '#6e57a5',
    500: '#23177f',
    950: '#000000',
  },
}

SCSS

$custom: #23177f;
$custom-light: #6e57a5;
$custom-dark: #000000;

JSON

{
  "hex": "#23177f",
  "rgb": {
    "r": 35,
    "g": 23,
    "b": 127
  },
  "hsl": {
    "h": 246.923,
    "s": 69.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.30971,
    "c": 0.1622,
    "h": 276.4
  },
  "luminance": 0.02502
}

Semantic roles & 50–950 ramp

primary

#23177F

secondary

#A6B43E

accent

#EC3CD8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #23177F

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

Preview Lab → · Contrast checker → · Palette generator →