#17376B#17376B

#17376B is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.4% C 0.098 H 259.7°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#17376B
RGB	rgb(23, 55, 107)
HSL	hsl(217, 65%, 25%)
HSV	hsv(217, 79%, 42%)
CMYK	cmyk(78.5%, 48.6%, 0%, 58%)
CIE-LAB	lab(23.59, 8.51, -33.74)
CIE-LCH	lch(23.59, 34.80, 284.15°)
OKLab	oklab(34.4% -0.0176 -0.0967)
OKLCH	oklch(34.4% 0.098 259.7)
XYZ	xyz(4.3724, 3.9756, 14.4440)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17376B #6B4B17

analogous

#17616B #17376B #21176B

triadic

#17376B #6B1737 #376B17

tetradic

#17376B #6B1761 #6B4B17 #176B21

square

#17376B #6B1761 #6B4B17 #176B21

split-complementary

#17376B #6B2117 #616B17

monochromatic

#050D19 #0C1D39 #17376B #22519D #2D6BD0

Accessibility & contrast

On white

11.70

#17376B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#17376B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17376B

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17376B	#FFFFFF	#000000	##FFFFFF
##17376B	1.00	11.70	1.80	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C3C6D

Deuteranopia (green-blind)

#08356A

Tritanopia (blue-blind)

#00434B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #17376b;
/* rgb */ color: rgb(23, 55, 107);
/* oklch */ color: oklch(34.4% 0.098 259.7);

Tailwind

colors: {
  custom: {
    50: '#616d96',
    500: '#17376b',
    950: '#000000',
  },
}

SCSS

$custom: #17376b;
$custom-light: #616d96;
$custom-dark: #000000;

JSON

{
  "hex": "#17376b",
  "rgb": {
    "r": 23,
    "g": 55,
    "b": 107
  },
  "hsl": {
    "h": 217.143,
    "s": 64.615,
    "l": 25.49
  },
  "oklch": {
    "l": 0.34396,
    "c": 0.09834,
    "h": 259.7
  },
  "luminance": 0.03976
}

Semantic roles & 50–950 ramp

primary

#17376B

secondary

#A17B3D

accent

#A840E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #17376B

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

Preview Lab → · Contrast checker → · Palette generator →