#17407B#17407B

#17407B is a dark, moderate blue. Relative luminance 0.053; OKLCH L 37.8% C 0.110 H 258.1°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#17407B
RGB	rgb(23, 64, 123)
HSL	hsl(215, 68%, 29%)
HSV	hsv(215, 81%, 48%)
CMYK	cmyk(81.3%, 48%, 0%, 51.8%)
CIE-LAB	lab(27.51, 8.84, -37.62)
CIE-LCH	lch(27.51, 38.64, 283.23°)
OKLab	oklab(37.78% -0.0228 -0.108)
OKLCH	oklch(37.78% 0.11 258.1)
XYZ	xyz(5.7606, 5.2783, 19.4503)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17407B #7B5217

analogous

#17727B #17407B #20177B

triadic

#17407B #7B1740 #407B17

tetradic

#17407B #7B1772 #7B5217 #177B20

square

#17407B #7B1772 #7B5217 #177B20

split-complementary

#17407B #7B2017 #727B17

monochromatic

#050D1A #0D2547 #17407B #215BAF #3377D9

Accessibility & contrast

On white

10.22

#17407B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#17407B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17407B

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17407B	#FFFFFF	#000000	##FFFFFF
##17407B	1.00	10.22	2.06	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20467D

Deuteranopia (green-blind)

#073D7A

Tritanopia (blue-blind)

#004E57

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #17407b;
/* rgb */ color: rgb(23, 64, 123);
/* oklch */ color: oklch(37.8% 0.110 258.1);

Tailwind

colors: {
  custom: {
    50: '#6574a2',
    500: '#17407b',
    950: '#000000',
  },
}

SCSS

$custom: #17407b;
$custom-light: #6574a2;
$custom-dark: #000000;

JSON

{
  "hex": "#17407b",
  "rgb": {
    "r": 23,
    "g": 64,
    "b": 123
  },
  "hsl": {
    "h": 215.4,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37776,
    "c": 0.11034,
    "h": 258.1
  },
  "luminance": 0.05279
}

Semantic roles & 50–950 ramp

primary

#17407B

secondary

#B0813E

accent

#A43CEB

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#06080F

muted

#7A7B7F

Preview Lab

Preview with #17407B

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

Preview Lab → · Contrast checker → · Palette generator →