#103B7D#103B7D

#103B7D is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.5% C 0.122 H 259.3°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#103B7D
RGB	rgb(16, 59, 125)
HSL	hsl(216, 77%, 28%)
HSV	hsv(216, 87%, 49%)
CMYK	cmyk(87.2%, 52.8%, 0%, 51%)
CIE-LAB	lab(25.92, 12.46, -41.46)
CIE-LCH	lch(25.92, 43.29, 286.73°)
OKLab	oklab(36.54% -0.0226 -0.1195)
OKLCH	oklch(36.54% 0.122 259.3)
XYZ	xyz(5.4780, 4.7181, 20.0200)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103B7D #7D5210

analogous

#10727D #103B7D #1B107D

triadic

#103B7D #7D103B #3B7D10

tetradic

#103B7D #7D1072 #7D5210 #107D1B

square

#103B7D #7D1072 #7D5210 #107D1B

split-complementary

#103B7D #7D1B10 #727D10

monochromatic

#030D1B #092147 #103B7D #1755B3 #2470E3

Accessibility & contrast

On white

10.80

#103B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#103B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103B7D

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103B7D	#FFFFFF	#000000	##FFFFFF
##103B7D	1.00	10.80	1.94	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F437F

Deuteranopia (green-blind)

#00397C

Tritanopia (blue-blind)

#004B56

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #103b7d;
/* rgb */ color: rgb(16, 59, 125);
/* oklch */ color: oklch(36.5% 0.122 259.3);

Tailwind

colors: {
  custom: {
    50: '#6470a3',
    500: '#103b7d',
    950: '#000000',
  },
}

SCSS

$custom: #103b7d;
$custom-light: #6470a3;
$custom-dark: #000000;

JSON

{
  "hex": "#103b7d",
  "rgb": {
    "r": 16,
    "g": 59,
    "b": 125
  },
  "hsl": {
    "h": 216.33,
    "s": 77.305,
    "l": 27.647
  },
  "oklch": {
    "l": 0.36536,
    "c": 0.12159,
    "h": 259.3
  },
  "luminance": 0.04719
}

Semantic roles & 50–950 ramp

primary

#103B7D

secondary

#B38235

accent

#A834F4

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #103B7D

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

Preview Lab → · Contrast checker → · Palette generator →