#17234F#17234F

#17234F is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.3% C 0.082 H 268.9°. Best body text is #FFFFFF at 15.11:1 contrast (WCAG AA passes).

Color values

HEX	#17234F
RGB	rgb(23, 35, 79)
HSL	hsl(227, 55%, 20%)
HSV	hsv(227, 71%, 31%)
CMYK	cmyk(70.9%, 55.7%, 0%, 69%)
CIE-LAB	lab(15.21, 11.43, -28.70)
CIE-LCH	lch(15.21, 30.89, 291.72°)
OKLab	oklab(27.33% -0.0015 -0.0823)
OKLCH	oklch(27.33% 0.082 268.9)
XYZ	xyz(2.3652, 1.9485, 7.6471)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17234F #4F4317

analogous

#173F4F #17234F #27174F

triadic

#17234F #4F1723 #234F17

tetradic

#17234F #4F173F #4F4317 #174F27

square

#17234F #4F173F #4F4317 #174F27

split-complementary

#17234F #4F2717 #3F4F17

monochromatic

#070A18 #090E20 #17234F #25387E #334DAE

Accessibility & contrast

On white

15.11

#17234F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#17234F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17234F

15.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17234F	#FFFFFF	#000000	##FFFFFF
##17234F	1.00	15.11	1.39	15.11
#FFFFFF	15.11	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A2951

Deuteranopia (green-blind)

#00244E

Tritanopia (blue-blind)

#002D35

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #17234f;
/* rgb */ color: rgb(23, 35, 79);
/* oklch */ color: oklch(27.3% 0.082 268.9);

Tailwind

colors: {
  custom: {
    50: '#5b5d81',
    500: '#17234f',
    950: '#000000',
  },
}

SCSS

$custom: #17234f;
$custom-light: #5b5d81;
$custom-dark: #000000;

JSON

{
  "hex": "#17234f",
  "rgb": {
    "r": 23,
    "g": 35,
    "b": 79
  },
  "hsl": {
    "h": 227.143,
    "s": 54.902,
    "l": 20
  },
  "oklch": {
    "l": 0.27331,
    "c": 0.08229,
    "h": 268.9
  },
  "luminance": 0.01949
}

Semantic roles & 50–950 ramp

primary

#17234F

secondary

#86763C

accent

#BE4ADE

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04040A

muted

#79797C

Preview Lab

Preview with #17234F

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

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