#104F9D#104F9D
#104F9D is a dark, vivid cyan. Relative luminance 0.081; OKLCH L 43.7% C 0.141 H 256.9°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #104F9D |
|---|---|
| RGB | rgb(16, 79, 157) |
| HSL | hsl(213, 82%, 34%) |
| HSV | hsv(213, 90%, 62%) |
| CMYK | cmyk(89.8%, 49.7%, 0%, 38.4%) |
| CIE-LAB | lab(34.26, 12.03, -47.66) |
| CIE-LCH | lch(34.26, 49.15, 284.17°) |
| OKLab | oklab(43.69% -0.0321 -0.1373) |
| OKLCH | oklch(43.69% 0.141 256.9) |
| XYZ | xyz(9.0932, 8.1353, 32.9827) |
| Luminance | 0.0814 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusk Blue
#26538D
ΔE00 2.42
Cobalt (survey)
#1E488F
ΔE00 3.10
Light Navy
#155084
ΔE00 3.59
Cobalt
#0047AB
ΔE00 3.72
Sapphire
#0F52BA
ΔE00 3.95
Light Navy Blue
#2E5A88
ΔE00 4.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#104F9D #9D5E10
analogous
#10969D #104F9D #17109D
triadic
#104F9D #9D104F #4F9D10
tetradic
#104F9D #9D1096 #9D5E10 #109D17
square
#104F9D #9D1096 #9D5E10 #109D17
split-complementary
#104F9D #9D1710 #969D10
monochromatic
#05172E #0A3365 #104F9D #166BD5 #3C8AEB
Accessibility & contrast
On white
7.99
#104F9D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#104F9D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #104F9D
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##104F9D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##104F9D | 1.00 | 7.99 | 2.63 | 7.99 |
| #FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1F57A0
Deuteranopia (green-blind)
#004B9B
Tritanopia (blue-blind)
#00626E
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #104f9d; /* rgb */ color: rgb(16, 79, 157); /* oklch */ color: oklch(43.7% 0.141 256.9);
Tailwind
colors: {
custom: {
50: '#6c7fba',
500: '#104f9d',
950: '#000000',
},
}SCSS
$custom: #104f9d; $custom-light: #6c7fba; $custom-dark: #000000;
JSON
{
"hex": "#104f9d",
"rgb": {
"r": 16,
"g": 79,
"b": 157
},
"hsl": {
"h": 213.191,
"s": 81.503,
"l": 33.922
},
"oklch": {
"l": 0.43687,
"c": 0.14095,
"h": 256.9
},
"luminance": 0.08136
}Semantic roles & 50–950 ramp
primary
#104F9D
secondary
#CA8C3E
accent
#9F30F8
background
#F7F7FB
surface
#EDEEF6
border
#C8C9D0
text
#080A12
muted
#7B7C81