#173976#173976

#173976 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.7% C 0.112 H 261.0°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#173976
RGB	rgb(23, 57, 118)
HSL	hsl(219, 67%, 28%)
HSV	hsv(219, 81%, 46%)
CMYK	cmyk(80.5%, 51.7%, 0%, 53.7%)
CIE-LAB	lab(25.00, 11.68, -38.50)
CIE-LCH	lch(25.00, 40.24, 286.87°)
OKLab	oklab(35.73% -0.0175 -0.1107)
OKLCH	oklch(35.73% 0.112 261)
XYZ	xyz(5.0853, 4.4158, 17.7204)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#173976 #765417

analogous

#176976 #173976 #241776

triadic

#173976 #761739 #397617

tetradic

#173976 #761769 #765417 #177624

square

#173976 #761769 #765417 #177624

split-complementary

#173976 #762417 #697617

monochromatic

#050C1A #0D2043 #173976 #2152A9 #316CD7

Accessibility & contrast

On white

11.15

#173976 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#173976 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #173976

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##173976	#FFFFFF	#000000	##FFFFFF
##173976	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154078

Deuteranopia (green-blind)

#003775

Tritanopia (blue-blind)

#004852

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #173976;
/* rgb */ color: rgb(23, 57, 118);
/* oklch */ color: oklch(35.7% 0.112 261.0);

Tailwind

colors: {
  custom: {
    50: '#646e9e',
    500: '#173976',
    950: '#000000',
  },
}

SCSS

$custom: #173976;
$custom-light: #646e9e;
$custom-dark: #000000;

JSON

{
  "hex": "#173976",
  "rgb": {
    "r": 23,
    "g": 57,
    "b": 118
  },
  "hsl": {
    "h": 218.526,
    "s": 67.376,
    "l": 27.647
  },
  "oklch": {
    "l": 0.35732,
    "c": 0.1121,
    "h": 261
  },
  "luminance": 0.04416
}

Semantic roles & 50–950 ramp

primary

#173976

secondary

#AB843E

accent

#AC3EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #173976

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

Preview Lab → · Contrast checker → · Palette generator →