#103E5D#103E5D
#103E5D is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.0% C 0.073 H 242.9°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).
Color values
| HEX | #103E5D |
|---|---|
| RGB | rgb(16, 62, 93) |
| HSL | hsl(204, 71%, 21%) |
| HSV | hsv(204, 83%, 36%) |
| CMYK | cmyk(82.8%, 33.3%, 0%, 63.5%) |
| CIE-LAB | lab(24.78, -3.16, -22.80) |
| CIE-LCH | lch(24.78, 23.01, 262.11°) |
| OKLab | oklab(34.98% -0.0331 -0.0646) |
| OKLCH | oklch(34.98% 0.073 242.9) |
| XYZ | xyz(3.9113, 4.3453, 10.9864) |
| Luminance | 0.0435 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 3.47
Prussian Blue
#004577
ΔE00 4.45
Dark Grey Blue
#29465B
ΔE00 4.50
Marine Blue
#01386A
ΔE00 4.75
Dark Blue Grey
#1F3B4D
ΔE00 4.75
Twilight Blue
#0A437A
ΔE00 5.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#103E5D #5D2F10
analogous
#105D56 #103E5D #10185D
triadic
#103E5D #5D103E #3E5D10
tetradic
#103E5D #56105D #5D2F10 #185D10
square
#103E5D #56105D #5D2F10 #185D10
split-complementary
#103E5D #5D1018 #5D5610
monochromatic
#04111A #071B29 #103E5D #196191 #2284C5
Accessibility & contrast
On white
11.23
#103E5D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.87
#103E5D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #103E5D
11.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##103E5D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##103E5D | 1.00 | 11.23 | 1.87 | 11.23 |
| #FFFFFF | 11.23 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.87 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.23 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#303F5E
Deuteranopia (green-blind)
#25385C
Tritanopia (blue-blind)
#004649
Achromatopsia (no color)
#3B3B3B
Design tokens & code
CSS
--color: #103e5d; /* rgb */ color: rgb(16, 62, 93); /* oklch */ color: oklch(35.0% 0.073 242.9);
Tailwind
colors: {
custom: {
50: '#5c738b',
500: '#103e5d',
950: '#000000',
},
}SCSS
$custom: #103e5d; $custom-light: #5c738b; $custom-dark: #000000;
JSON
{
"hex": "#103e5d",
"rgb": {
"r": 16,
"g": 62,
"b": 93
},
"hsl": {
"h": 204.156,
"s": 70.642,
"l": 21.373
},
"oklch": {
"l": 0.34976,
"c": 0.07261,
"h": 242.9
},
"luminance": 0.04346
}Semantic roles & 50–950 ramp
primary
#103E5D
secondary
#965B33
accent
#823AED
background
#F5F6F8
surface
#E9ECF0
border
#C5C7CB
text
#04080C
muted
#797B7D