#17457B#17457B

#17457B is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 39.0% C 0.104 H 254.8°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#17457B
RGB	rgb(23, 69, 123)
HSL	hsl(212, 68%, 29%)
HSV	hsv(212, 81%, 48%)
CMYK	cmyk(81.3%, 43.9%, 0%, 51.8%)
CIE-LAB	lab(29.08, 5.40, -35.11)
CIE-LCH	lch(29.08, 35.52, 278.75°)
OKLab	oklab(38.99% -0.0273 -0.1005)
OKLCH	oklch(38.99% 0.104 254.8)
XYZ	xyz(6.0553, 5.8677, 19.5485)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17457B #7B4D17

analogous

#17777B #17457B #1B177B

triadic

#17457B #7B1745 #457B17

tetradic

#17457B #7B1777 #7B4D17 #177B1B

square

#17457B #7B1777 #7B4D17 #177B1B

split-complementary

#17457B #7B1B17 #777B17

monochromatic

#050E1A #0D2847 #17457B #2162AF #3380D9

Accessibility & contrast

On white

9.66

#17457B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#17457B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17457B

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17457B	#FFFFFF	#000000	##FFFFFF
##17457B	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A497D

Deuteranopia (green-blind)

#18407A

Tritanopia (blue-blind)

#00525A

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #17457b;
/* rgb */ color: rgb(23, 69, 123);
/* oklch */ color: oklch(39.0% 0.104 254.8);

Tailwind

colors: {
  custom: {
    50: '#6578a1',
    500: '#17457b',
    950: '#000000',
  },
}

SCSS

$custom: #17457b;
$custom-light: #6578a1;
$custom-dark: #000000;

JSON

{
  "hex": "#17457b",
  "rgb": {
    "r": 23,
    "g": 69,
    "b": 123
  },
  "hsl": {
    "h": 212.4,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38986,
    "c": 0.10413,
    "h": 254.8
  },
  "luminance": 0.05868
}

Semantic roles & 50–950 ramp

primary

#17457B

secondary

#B07B3E

accent

#9B3CEB

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#06080F

muted

#7A7B7F

Preview Lab

Preview with #17457B

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

Preview Lab → · Contrast checker → · Palette generator →