#103C7E#103C7E

#103C7E is a dark, vivid blue. Relative luminance 0.048; OKLCH L 36.9% C 0.122 H 259.0°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#103C7E
RGB	rgb(16, 60, 126)
HSL	hsl(216, 77%, 28%)
HSV	hsv(216, 87%, 49%)
CMYK	cmyk(87.3%, 52.4%, 0%, 50.6%)
CIE-LAB	lab(26.30, 12.18, -41.47)
CIE-LCH	lch(26.30, 43.22, 286.37°)
OKLab	oklab(36.85% -0.0232 -0.1195)
OKLCH	oklch(36.85% 0.122 259)
XYZ	xyz(5.5941, 4.8475, 20.3754)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103C7E #7E5210

analogous

#10737E #103C7E #1B107E

triadic

#103C7E #7E103C #3C7E10

tetradic

#103C7E #7E1073 #7E5210 #107E1B

square

#103C7E #7E1073 #7E5210 #107E1B

split-complementary

#103C7E #7E1B10 #737E10

monochromatic

#030D1B #092248 #103C7E #1756B4 #2571E3

Accessibility & contrast

On white

10.66

#103C7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#103C7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103C7E

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103C7E	#FFFFFF	#000000	##FFFFFF
##103C7E	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114380

Deuteranopia (green-blind)

#003A7D

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #103c7e;
/* rgb */ color: rgb(16, 60, 126);
/* oklch */ color: oklch(36.9% 0.122 259.0);

Tailwind

colors: {
  custom: {
    50: '#6471a4',
    500: '#103c7e',
    950: '#000000',
  },
}

SCSS

$custom: #103c7e;
$custom-light: #6471a4;
$custom-dark: #000000;

JSON

{
  "hex": "#103c7e",
  "rgb": {
    "r": 16,
    "g": 60,
    "b": 126
  },
  "hsl": {
    "h": 216,
    "s": 77.465,
    "l": 27.843
  },
  "oklch": {
    "l": 0.36851,
    "c": 0.12172,
    "h": 259
  },
  "luminance": 0.04848
}

Semantic roles & 50–950 ramp

primary

#103C7E

secondary

#B48236

accent

#A734F4

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #103C7E

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

Preview Lab → · Contrast checker → · Palette generator →