#17447B#17447B

#17447B is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.7% C 0.105 H 255.5°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#17447B
RGB	rgb(23, 68, 123)
HSL	hsl(213, 68%, 29%)
HSV	hsv(213, 81%, 48%)
CMYK	cmyk(81.3%, 44.7%, 0%, 51.8%)
CIE-LAB	lab(28.76, 6.08, -35.61)
CIE-LCH	lch(28.76, 36.13, 279.69°)
OKLab	oklab(38.74% -0.0264 -0.102)
OKLCH	oklch(38.74% 0.105 255.5)
XYZ	xyz(5.9943, 5.7458, 19.5282)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17447B #7B4E17

analogous

#17767B #17447B #1C177B

triadic

#17447B #7B1744 #447B17

tetradic

#17447B #7B1776 #7B4E17 #177B1C

square

#17447B #7B1776 #7B4E17 #177B1C

split-complementary

#17447B #7B1C17 #767B17

monochromatic

#050E1A #0D2747 #17447B #2161AF #337ED9

Accessibility & contrast

On white

9.77

#17447B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#17447B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17447B

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17447B	#FFFFFF	#000000	##FFFFFF
##17447B	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28497D

Deuteranopia (green-blind)

#15407A

Tritanopia (blue-blind)

#005159

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #17447b;
/* rgb */ color: rgb(23, 68, 123);
/* oklch */ color: oklch(38.7% 0.105 255.5);

Tailwind

colors: {
  custom: {
    50: '#6577a1',
    500: '#17447b',
    950: '#000000',
  },
}

SCSS

$custom: #17447b;
$custom-light: #6577a1;
$custom-dark: #000000;

JSON

{
  "hex": "#17447b",
  "rgb": {
    "r": 23,
    "g": 68,
    "b": 123
  },
  "hsl": {
    "h": 213,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38742,
    "c": 0.10534,
    "h": 255.5
  },
  "luminance": 0.05746
}

Semantic roles & 50–950 ramp

primary

#17447B

secondary

#B07D3E

accent

#9D3CEB

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#06080F

muted

#7A7B7F

Preview Lab

Preview with #17447B

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

Preview Lab → · Contrast checker → · Palette generator →