#1C5380#1C5380
#1C5380 is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 42.9% C 0.094 H 247.2°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).
Color values
| HEX | #1C5380 |
|---|---|
| RGB | rgb(28, 83, 128) |
| HSL | hsl(207, 64%, 31%) |
| HSV | hsv(207, 78%, 50%) |
| CMYK | cmyk(78.1%, 35.2%, 0%, 49.8%) |
| CIE-LAB | lab(33.96, -1.22, -30.44) |
| CIE-LCH | lch(33.96, 30.46, 267.71°) |
| OKLab | oklab(42.95% -0.0364 -0.0865) |
| OKLCH | oklch(42.95% 0.094 247.2) |
| XYZ | xyz(7.4669, 7.9910, 21.5668) |
| Luminance | 0.0799 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy
#155084
ΔE00 1.48
Deep Sea Blue
#015482
ΔE00 2.05
Light Navy Blue
#2E5A88
ΔE00 3.01
Dusk Blue
#26538D
ΔE00 3.19
Prussian Blue
#004577
ΔE00 4.64
Twilight Blue
#0A437A
ΔE00 5.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C5380 #80491C
analogous
#1C807B #1C5380 #1C2180
triadic
#1C5380 #801C53 #53801C
tetradic
#1C5380 #7B1C80 #80491C #21801C
square
#1C5380 #7B1C80 #80491C #21801C
split-complementary
#1C5380 #801C21 #807B1C
monochromatic
#06121C #11324E #1C5380 #2774B2 #4193D5
Accessibility & contrast
On white
8.08
#1C5380 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.60
#1C5380 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C5380
8.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C5380 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C5380 | 1.00 | 8.08 | 2.60 | 8.08 |
| #FFFFFF | 8.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.60 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3E5582
Deuteranopia (green-blind)
#304C7F
Tritanopia (blue-blind)
#005E63
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #1c5380; /* rgb */ color: rgb(28, 83, 128); /* oklch */ color: oklch(42.9% 0.094 247.2);
Tailwind
colors: {
custom: {
50: '#6883a5',
500: '#1c5380',
950: '#000000',
},
}SCSS
$custom: #1c5380; $custom-light: #6883a5; $custom-dark: #000000;
JSON
{
"hex": "#1c5380",
"rgb": {
"r": 28,
"g": 83,
"b": 128
},
"hsl": {
"h": 207,
"s": 64.103,
"l": 30.588
},
"oklch": {
"l": 0.42949,
"c": 0.09384,
"h": 247.2
},
"luminance": 0.07992
}Semantic roles & 50–950 ramp
primary
#1C5380
secondary
#B37644
accent
#8C41E7
background
#F6F7FA
surface
#EBEEF4
border
#C6C9CE
text
#070A0F
muted
#7A7C7F