#103A4F#103A4F
#103A4F is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.0% C 0.059 H 234.5°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).
Color values
| HEX | #103A4F |
|---|---|
| RGB | rgb(16, 58, 79) |
| HSL | hsl(200, 66%, 19%) |
| HSV | hsv(200, 80%, 31%) |
| CMYK | cmyk(79.7%, 26.6%, 0%, 69%) |
| CIE-LAB | lab(22.66, -6.22, -16.93) |
| CIE-LCH | lch(22.66, 18.03, 249.81°) |
| OKLab | oklab(33.04% -0.0339 -0.0476) |
| OKLCH | oklch(33.04% 0.059 234.5) |
| XYZ | xyz(3.1375, 3.7004, 7.9445) |
| Luminance | 0.0370 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 2.21
Dark Grey Blue
#29465B
ΔE00 4.70
Dark Slate Blue
#214761
ΔE00 4.88
Charcoal
#36454F
ΔE00 7.38
Marine Blue
#01386A
ΔE00 8.41
Prussian Blue
#004577
ΔE00 8.53
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#103A4F #4F2510
analogous
#104F44 #103A4F #101A4F
triadic
#103A4F #4F103A #3A4F10
tetradic
#103A4F #44104F #4F2510 #1A4F10
square
#103A4F #44104F #4F2510 #1A4F10
split-complementary
#103A4F #4F101A #4F4410
monochromatic
#051319 #06151C #103A4F #1A5F82 #2585B5
Accessibility & contrast
On white
12.07
#103A4F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.74
#103A4F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #103A4F
12.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##103A4F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##103A4F | 1.00 | 12.07 | 1.74 | 12.07 |
| #FFFFFF | 12.07 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.74 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.07 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#303A50
Deuteranopia (green-blind)
#27334F
Tritanopia (blue-blind)
#004041
Achromatopsia (no color)
#363636
Design tokens & code
CSS
--color: #103a4f; /* rgb */ color: rgb(16, 58, 79); /* oklch */ color: oklch(33.0% 0.059 234.5);
Tailwind
colors: {
custom: {
50: '#587080',
500: '#103a4f',
950: '#000000',
},
}SCSS
$custom: #103a4f; $custom-light: #587080; $custom-dark: #000000;
JSON
{
"hex": "#103a4f",
"rgb": {
"r": 16,
"g": 58,
"b": 79
},
"hsl": {
"h": 200,
"s": 66.316,
"l": 18.627
},
"oklch": {
"l": 0.33044,
"c": 0.0585,
"h": 234.5
},
"luminance": 0.03701
}Semantic roles & 50–950 ramp
primary
#103A4F
secondary
#894F32
accent
#773FE9
background
#F5F6F7
surface
#E9ECEE
border
#C5C7C9
text
#04070A
muted
#797A7C