#23178F#23178F

#23178F is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.9% C 0.182 H 274.3°. Best body text is #FFFFFF at 13.20:1 contrast (WCAG AA passes).

Color values

HEX	#23178F
RGB	rgb(35, 23, 143)
HSL	hsl(246, 72%, 33%)
HSV	hsv(246, 84%, 56%)
CMYK	cmyk(75.5%, 83.9%, 0%, 43.9%)
CIE-LAB	lab(19.85, 44.06, -62.64)
CIE-LCH	lch(19.85, 76.58, 305.12°)
OKLab	oklab(32.87% 0.0135 -0.1811)
OKLCH	oklch(32.87% 0.182 274.3)
XYZ	xyz(5.9558, 2.9527, 26.2373)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23178F #838F17

analogous

#17478F #23178F #5F178F

triadic

#23178F #8F2317 #178F23

tetradic

#23178F #8F1747 #838F17 #178F5F

square

#23178F #8F1747 #838F17 #178F5F

split-complementary

#23178F #8F5F17 #478F17

monochromatic

#090626 #160F5A #23178F #301FC4 #5040E0

Accessibility & contrast

On white

13.20

#23178F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#23178F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23178F

13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23178F	#FFFFFF	#000000	##FFFFFF
##23178F	1.00	13.20	1.59	13.20
#FFFFFF	13.20	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003592

Deuteranopia (green-blind)

#002A8D

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #23178f;
/* rgb */ color: rgb(35, 23, 143);
/* oklch */ color: oklch(32.9% 0.182 274.3);

Tailwind

colors: {
  custom: {
    50: '#7258b1',
    500: '#23178f',
    950: '#000000',
  },
}

SCSS

$custom: #23178f;
$custom-light: #7258b1;
$custom-dark: #000000;

JSON

{
  "hex": "#23178f",
  "rgb": {
    "r": 35,
    "g": 23,
    "b": 143
  },
  "hsl": {
    "h": 246,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.32867,
    "c": 0.18164,
    "h": 274.3
  },
  "luminance": 0.02953
}

Semantic roles & 50–950 ramp

primary

#23178F

secondary

#B4C141

accent

#EF39DD

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #23178F

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

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