#103A6D#103A6D

#103A6D is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 35.0% C 0.100 H 255.7°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#103A6D
RGB	rgb(16, 58, 109)
HSL	hsl(213, 74%, 25%)
HSV	hsv(213, 85%, 43%)
CMYK	cmyk(85.3%, 46.8%, 0%, 57.3%)
CIE-LAB	lab(24.45, 6.34, -33.66)
CIE-LCH	lch(24.45, 34.25, 280.67°)
OKLab	oklab(35.04% -0.0247 -0.0965)
OKLCH	oklch(35.04% 0.1 255.7)
XYZ	xyz(4.4860, 4.2399, 15.0470)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103A6D #6D4310

analogous

#10696D #103A6D #14106D

triadic

#103A6D #6D103A #3A6D10

tetradic

#103A6D #6D1069 #6D4310 #106D14

square

#103A6D #6D1069 #6D4310 #106D14

split-complementary

#103A6D #6D1410 #696D10

monochromatic

#040E1B #081E38 #103A6D #1856A2 #2073D8

Accessibility & contrast

On white

11.36

#103A6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#103A6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103A6D

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103A6D	#FFFFFF	#000000	##FFFFFF
##103A6D	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F3F6F

Deuteranopia (green-blind)

#0B366C

Tritanopia (blue-blind)

#00464E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #103a6d;
/* rgb */ color: rgb(16, 58, 109);
/* oklch */ color: oklch(35.0% 0.100 255.7);

Tailwind

colors: {
  custom: {
    50: '#606f97',
    500: '#103a6d',
    950: '#000000',
  },
}

SCSS

$custom: #103a6d;
$custom-light: #606f97;
$custom-dark: #000000;

JSON

{
  "hex": "#103a6d",
  "rgb": {
    "r": 16,
    "g": 58,
    "b": 109
  },
  "hsl": {
    "h": 212.903,
    "s": 74.4,
    "l": 24.51
  },
  "oklch": {
    "l": 0.35037,
    "c": 0.09965,
    "h": 255.7
  },
  "luminance": 0.0424
}

Semantic roles & 50–950 ramp

primary

#103A6D

secondary

#A57234

accent

#9D37F1

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #103A6D

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

Preview Lab → · Contrast checker → · Palette generator →