#173974#173974

#173974 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.6% C 0.109 H 260.6°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#173974
RGB	rgb(23, 57, 116)
HSL	hsl(218, 67%, 27%)
HSV	hsv(218, 80%, 45%)
CMYK	cmyk(80.2%, 50.9%, 0%, 54.5%)
CIE-LAB	lab(24.86, 10.84, -37.47)
CIE-LCH	lch(24.86, 39.01, 286.14°)
OKLab	oklab(35.57% -0.0178 -0.1077)
OKLCH	oklch(35.57% 0.109 260.6)
XYZ	xyz(4.9677, 4.3688, 17.1011)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173974 #745217

analogous

#176774 #173974 #241774

triadic

#173974 #741739 #397417

tetradic

#173974 #741767 #745217 #177424

square

#173974 #741767 #745217 #177424

split-complementary

#173974 #742417 #677417

monochromatic

#050D1A #0D2041 #173974 #2152A7 #306CD6

Accessibility & contrast

On white

11.21

#173974 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#173974 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173974

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173974	#FFFFFF	#000000	##FFFFFF
##173974	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173F76

Deuteranopia (green-blind)

#003773

Tritanopia (blue-blind)

#004751

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #173974;
/* rgb */ color: rgb(23, 57, 116);
/* oklch */ color: oklch(35.6% 0.109 260.6);

Tailwind

colors: {
  custom: {
    50: '#636e9c',
    500: '#173974',
    950: '#000000',
  },
}

SCSS

$custom: #173974;
$custom-light: #636e9c;
$custom-dark: #000000;

JSON

{
  "hex": "#173974",
  "rgb": {
    "r": 23,
    "g": 57,
    "b": 116
  },
  "hsl": {
    "h": 218.065,
    "s": 66.906,
    "l": 27.255
  },
  "oklch": {
    "l": 0.35573,
    "c": 0.10914,
    "h": 260.6
  },
  "luminance": 0.04369
}

Semantic roles & 50–950 ramp

primary

#173974

secondary

#A9823D

accent

#AB3EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #173974

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

Preview Lab → · Contrast checker → · Palette generator →