#17457D#17457D

#17457D is a dark, moderate cyan. Relative luminance 0.059; OKLCH L 39.1% C 0.107 H 255.5°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#17457D
RGB	rgb(23, 69, 125)
HSL	hsl(213, 69%, 29%)
HSV	hsv(213, 82%, 49%)
CMYK	cmyk(81.6%, 44.8%, 0%, 51%)
CIE-LAB	lab(29.21, 6.23, -36.15)
CIE-LCH	lch(29.21, 36.69, 279.77°)
OKLab	oklab(39.13% -0.0268 -0.1036)
OKLCH	oklch(39.13% 0.107 255.5)
XYZ	xyz(6.1818, 5.9183, 20.2146)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17457D #7D4F17

analogous

#17787D #17457D #1C177D

triadic

#17457D #7D1745 #457D17

tetradic

#17457D #7D1778 #7D4F17 #177D1C

square

#17457D #7D1778 #7D4F17 #177D1C

split-complementary

#17457D #7D1C17 #787D17

monochromatic

#050E1A #0D2849 #17457D #2162B1 #357FDA

Accessibility & contrast

On white

9.62

#17457D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#17457D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17457D

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17457D	#FFFFFF	#000000	##FFFFFF
##17457D	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#294A7F

Deuteranopia (green-blind)

#15417C

Tritanopia (blue-blind)

#00525B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #17457d;
/* rgb */ color: rgb(23, 69, 125);
/* oklch */ color: oklch(39.1% 0.107 255.5);

Tailwind

colors: {
  custom: {
    50: '#6578a3',
    500: '#17457d',
    950: '#000000',
  },
}

SCSS

$custom: #17457d;
$custom-light: #6578a3;
$custom-dark: #000000;

JSON

{
  "hex": "#17457d",
  "rgb": {
    "r": 23,
    "g": 69,
    "b": 125
  },
  "hsl": {
    "h": 212.941,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.39128,
    "c": 0.10698,
    "h": 255.5
  },
  "luminance": 0.05919
}

Semantic roles & 50–950 ramp

primary

#17457D

secondary

#B27E3E

accent

#9D3CEC

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#06080F

muted

#7A7B7F

Preview Lab

Preview with #17457D

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

Preview Lab → · Contrast checker → · Palette generator →