#103A4D#103A4D
#103A4D is a dark, muted cyan. Relative luminance 0.037; OKLCH L 32.9% C 0.056 H 231.8°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).
Color values
| HEX | #103A4D |
|---|---|
| RGB | rgb(16, 58, 77) |
| HSL | hsl(199, 66%, 18%) |
| HSV | hsv(199, 79%, 30%) |
| CMYK | cmyk(79.2%, 24.7%, 0%, 69.8%) |
| CIE-LAB | lab(22.55, -7.02, -15.75) |
| CIE-LCH | lch(22.55, 17.25, 245.97°) |
| OKLab | oklab(32.93% -0.0348 -0.0443) |
| OKLCH | oklch(32.93% 0.056 231.8) |
| XYZ | xyz(3.0658, 3.6717, 7.5669) |
| Luminance | 0.0367 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 2.56
Dark Grey Blue
#29465B
ΔE00 5.14
Dark Slate Blue
#214761
ΔE00 5.50
Charcoal
#36454F
ΔE00 7.25
Gunmetal
#2A3439
ΔE00 8.28
Marine Blue
#01386A
ΔE00 9.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#103A4D #4D2310
analogous
#104D41 #103A4D #101B4D
triadic
#103A4D #4D103A #3A4D10
tetradic
#103A4D #41104D #4D2310 #1B4D10
square
#103A4D #41104D #4D2310 #1B4D10
split-complementary
#103A4D #4D101B #4D4110
monochromatic
#051319 #05141A #103A4D #1B6080 #2586B2
Accessibility & contrast
On white
12.11
#103A4D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.73
#103A4D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #103A4D
12.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##103A4D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##103A4D | 1.00 | 12.11 | 1.73 | 12.11 |
| #FFFFFF | 12.11 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.73 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.11 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#30394E
Deuteranopia (green-blind)
#28334D
Tritanopia (blue-blind)
#003F40
Achromatopsia (no color)
#363636
Design tokens & code
CSS
--color: #103a4d; /* rgb */ color: rgb(16, 58, 77); /* oklch */ color: oklch(32.9% 0.056 231.8);
Tailwind
colors: {
custom: {
50: '#58707f',
500: '#103a4d',
950: '#000000',
},
}SCSS
$custom: #103a4d; $custom-light: #58707f; $custom-dark: #000000;
JSON
{
"hex": "#103a4d",
"rgb": {
"r": 16,
"g": 58,
"b": 77
},
"hsl": {
"h": 198.689,
"s": 65.591,
"l": 18.235
},
"oklch": {
"l": 0.32932,
"c": 0.05629,
"h": 231.8
},
"luminance": 0.03672
}Semantic roles & 50–950 ramp
primary
#103A4D
secondary
#874C32
accent
#743FE9
background
#F5F6F7
surface
#E9ECEE
border
#C5C7C9
text
#04070A
muted
#797A7C