#17243E#17243E

#17243E is a dark, muted blue. Relative luminance 0.018; OKLCH L 26.3% C 0.052 H 263.1°. Best body text is #FFFFFF at 15.46:1 contrast (WCAG AA passes).

Color values

HEX	#17243E
RGB	rgb(23, 36, 62)
HSL	hsl(220, 46%, 17%)
HSV	hsv(220, 63%, 24%)
CMYK	cmyk(62.9%, 41.9%, 0%, 75.7%)
CIE-LAB	lab(14.35, 3.75, -18.34)
CIE-LCH	lch(14.35, 18.72, 281.55°)
OKLab	oklab(26.29% -0.0063 -0.0519)
OKLCH	oklch(26.29% 0.052 263.1)
XYZ	xyz(1.8534, 1.7916, 4.8046)
Luminance	0.0179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17243E #3E3117

analogous

#17383E #17243E #1E173E

triadic

#17243E #3E1724 #243E17

tetradic

#17243E #3E1738 #3E3117 #173E1E

square

#17243E #3E1738 #3E3117 #173E1E

split-complementary

#17243E #3E1E17 #383E17

monochromatic

#080D16 #080D16 #17243E #283E6B #385897

Accessibility & contrast

On white

15.46

#17243E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#17243E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17243E

15.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17243E	#FFFFFF	#000000	##FFFFFF
##17243E	1.00	15.46	1.36	15.46
#FFFFFF	15.46	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19263F

Deuteranopia (green-blind)

#15233D

Tritanopia (blue-blind)

#032A2E

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #17243e;
/* rgb */ color: rgb(23, 36, 62);
/* oklch */ color: oklch(26.3% 0.052 263.1);

Tailwind

colors: {
  custom: {
    50: '#575e73',
    500: '#17243e',
    950: '#000000',
  },
}

SCSS

$custom: #17243e;
$custom-light: #575e73;
$custom-dark: #000000;

JSON

{
  "hex": "#17243e",
  "rgb": {
    "r": 23,
    "g": 36,
    "b": 62
  },
  "hsl": {
    "h": 220,
    "s": 45.882,
    "l": 16.667
  },
  "oklch": {
    "l": 0.26286,
    "c": 0.05226,
    "h": 263.1
  },
  "luminance": 0.01792
}

Semantic roles & 50–950 ramp

primary

#17243E

secondary

#75623C

accent

#AA52D6

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #17243E

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

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