#17133F#17133F

#17133F is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.3% C 0.081 H 281.7°. Best body text is #FFFFFF at 17.48:1 contrast (WCAG AA passes).

Color values

HEX	#17133F
RGB	rgb(23, 19, 63)
HSL	hsl(245, 54%, 16%)
HSV	hsv(245, 70%, 25%)
CMYK	cmyk(63.5%, 69.8%, 0%, 75.3%)
CIE-LAB	lab(9.05, 16.98, -27.55)
CIE-LCH	lch(9.05, 32.37, 301.65°)
OKLab	oklab(22.3% 0.0164 -0.0791)
OKLCH	oklch(22.3% 0.081 281.7)
XYZ	xyz(1.4831, 1.0067, 4.8178)
Luminance	0.0101 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 4.13

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17133F #3B3F13

analogous

#13253F #17133F #2D133F

triadic

#17133F #3F1713 #133F17

tetradic

#17133F #3F1325 #3B3F13 #133F2D

square

#17133F #3F1325 #3B3F13 #133F2D

split-complementary

#17133F #3F2D13 #253F13

monochromatic

#090718 #090718 #17133F #28216E #392F9D

Accessibility & contrast

On white

17.48

#17133F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#17133F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17133F

17.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17133F	#FFFFFF	#000000	##FFFFFF
##17133F	1.00	17.48	1.20	17.48
#FFFFFF	17.48	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B40

Deuteranopia (green-blind)

#00183E

Tritanopia (blue-blind)

#051E26

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #17133f;
/* rgb */ color: rgb(23, 19, 63);
/* oklch */ color: oklch(22.3% 0.081 281.7);

Tailwind

colors: {
  custom: {
    50: '#595074',
    500: '#17133f',
    950: '#000000',
  },
}

SCSS

$custom: #17133f;
$custom-light: #595074;
$custom-dark: #000000;

JSON

{
  "hex": "#17133f",
  "rgb": {
    "r": 23,
    "g": 19,
    "b": 63
  },
  "hsl": {
    "h": 245.455,
    "s": 53.659,
    "l": 16.078
  },
  "oklch": {
    "l": 0.22296,
    "c": 0.08079,
    "h": 281.7
  },
  "luminance": 0.01007
}

Semantic roles & 50–950 ramp

primary

#17133F

secondary

#727836

accent

#DD4BD0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040208

muted

#79787B

Preview Lab

Preview with #17133F

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

Preview Lab → · Contrast checker → · Palette generator →