#103171#103171

#103171 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.2% C 0.117 H 261.8°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#103171
RGB	rgb(16, 49, 113)
HSL	hsl(220, 75%, 25%)
HSV	hsv(220, 86%, 44%)
CMYK	cmyk(85.8%, 56.6%, 0%, 55.7%)
CIE-LAB	lab(21.94, 14.52, -40.28)
CIE-LCH	lch(21.94, 42.81, 289.82°)
OKLab	oklab(33.21% -0.0167 -0.1162)
OKLCH	oklch(33.21% 0.117 261.8)
XYZ	xyz(4.2916, 3.4985, 16.0687)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103171 #715010

analogous

#106171 #103171 #201071

triadic

#103171 #711031 #317110

tetradic

#103171 #711061 #715010 #107120

square

#103171 #711061 #715010 #107120

split-complementary

#103171 #712010 #617110

monochromatic

#040C1B #081A3B #103171 #1848A7 #1F5FDC

Accessibility & contrast

On white

12.35

#103171 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#103171 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103171

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103171	#FFFFFF	#000000	##FFFFFF
##103171	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003973

Deuteranopia (green-blind)

#003070

Tritanopia (blue-blind)

#00414C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #103171;
/* rgb */ color: rgb(16, 49, 113);
/* oklch */ color: oklch(33.2% 0.117 261.8);

Tailwind

colors: {
  custom: {
    50: '#61689a',
    500: '#103171',
    950: '#000000',
  },
}

SCSS

$custom: #103171;
$custom-light: #61689a;
$custom-dark: #000000;

JSON

{
  "hex": "#103171",
  "rgb": {
    "r": 16,
    "g": 49,
    "b": 113
  },
  "hsl": {
    "h": 219.588,
    "s": 75.194,
    "l": 25.294
  },
  "oklch": {
    "l": 0.33207,
    "c": 0.11741,
    "h": 261.8
  },
  "luminance": 0.03499
}

Semantic roles & 50–950 ramp

primary

#103171

secondary

#A98134

accent

#B236F2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #103171

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

Preview Lab → · Contrast checker → · Palette generator →