#1C176F#1C176F
#1C176F is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.6% C 0.144 H 274.9°. Best body text is #FFFFFF at 14.99:1 contrast (WCAG AA passes).
Color values
| HEX | #1C176F |
|---|---|
| RGB | rgb(28, 23, 111) |
| HSL | hsl(243, 66%, 26%) |
| HSV | hsv(243, 79%, 44%) |
| CMYK | cmyk(74.8%, 79.3%, 0%, 56.5%) |
| CIE-LAB | lab(15.52, 32.87, -49.47) |
| CIE-LCH | lch(15.52, 59.39, 303.60°) |
| OKLab | oklab(28.6% 0.0122 -0.1431) |
| OKLCH | oklch(28.6% 0.144 274.9) |
| XYZ | xyz(3.6536, 2.0070, 15.2307) |
| Luminance | 0.0201 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 0.71
Dark Royal Blue
#02066F
ΔE00 3.77
Darkblue (survey)
#030764
ΔE00 3.89
Deep Blue
#040273
ΔE00 4.43
Navy
#000080
ΔE00 5.22
Dark Blue
#00035B
ΔE00 5.29
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C176F #6A6F17
analogous
#173E6F #1C176F #48176F
triadic
#1C176F #6F1C17 #176F1C
tetradic
#1C176F #6F173E #6A6F17 #176F48
square
#1C176F #6F173E #6A6F17 #176F48
split-complementary
#1C176F #6F4817 #3E6F17
monochromatic
#060519 #0F0C3C #1C176F #2922A2 #362DD3
Accessibility & contrast
On white
14.99
#1C176F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.40
#1C176F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C176F
14.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C176F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C176F | 1.00 | 14.99 | 1.40 | 14.99 |
| #FFFFFF | 14.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 14.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#002B72
Deuteranopia (green-blind)
#00236D
Tritanopia (blue-blind)
#003142
Achromatopsia (no color)
#272727
Design tokens & code
CSS
--color: #1c176f; /* rgb */ color: rgb(28, 23, 111); /* oklch */ color: oklch(28.6% 0.144 274.9);
Tailwind
colors: {
custom: {
50: '#675699',
500: '#1c176f',
950: '#000000',
},
}SCSS
$custom: #1c176f; $custom-light: #675699; $custom-dark: #000000;
JSON
{
"hex": "#1c176f",
"rgb": {
"r": 28,
"g": 23,
"b": 111
},
"hsl": {
"h": 243.409,
"s": 65.672,
"l": 26.275
},
"oklch": {
"l": 0.28597,
"c": 0.14358,
"h": 274.9
},
"luminance": 0.02007
}Semantic roles & 50–950 ramp
primary
#1C176F
secondary
#9FA53D
accent
#E93FDF
background
#F6F5F9
surface
#EBE9F2
border
#C6C5CC
text
#07030E
muted
#7A787E