#103D7F#103D7F

#103D7F is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.2% C 0.122 H 258.7°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#103D7F
RGB	rgb(16, 61, 127)
HSL	hsl(216, 78%, 28%)
HSV	hsv(216, 87%, 50%)
CMYK	cmyk(87.4%, 52%, 0%, 50.2%)
CIE-LAB	lab(26.68, 11.90, -41.49)
CIE-LCH	lch(26.68, 43.16, 286.01°)
OKLab	oklab(37.17% -0.0238 -0.1195)
OKLCH	oklch(37.17% 0.122 258.7)
XYZ	xyz(5.7118, 4.9792, 20.7346)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103D7F #7F5210

analogous

#10747F #103D7F #1B107F

triadic

#103D7F #7F103D #3D7F10

tetradic

#103D7F #7F1074 #7F5210 #107F1B

square

#103D7F #7F1074 #7F5210 #107F1B

split-complementary

#103D7F #7F1B10 #747F10

monochromatic

#030D1B #092349 #103D7F #1757B5 #2673E4

Accessibility & contrast

On white

10.52

#103D7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#103D7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103D7F

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103D7F	#FFFFFF	#000000	##FFFFFF
##103D7F	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#134481

Deuteranopia (green-blind)

#003A7E

Tritanopia (blue-blind)

#004D58

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #103d7f;
/* rgb */ color: rgb(16, 61, 127);
/* oklch */ color: oklch(37.2% 0.122 258.7);

Tailwind

colors: {
  custom: {
    50: '#6471a5',
    500: '#103d7f',
    950: '#000000',
  },
}

SCSS

$custom: #103d7f;
$custom-light: #6471a5;
$custom-dark: #000000;

JSON

{
  "hex": "#103d7f",
  "rgb": {
    "r": 16,
    "g": 61,
    "b": 127
  },
  "hsl": {
    "h": 215.676,
    "s": 77.622,
    "l": 28.039
  },
  "oklch": {
    "l": 0.37166,
    "c": 0.12185,
    "h": 258.7
  },
  "luminance": 0.0498
}

Semantic roles & 50–950 ramp

primary

#103D7F

secondary

#B58136

accent

#A634F4

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #103D7F

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

Preview Lab → · Contrast checker → · Palette generator →