#1C4C8E#1C4C8E
#1C4C8E is a dark, vivid cyan. Relative luminance 0.074; OKLCH L 42.2% C 0.121 H 257.4°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).
Color values
| HEX | #1C4C8E |
|---|---|
| RGB | rgb(28, 76, 142) |
| HSL | hsl(215, 67%, 33%) |
| HSV | hsv(215, 80%, 56%) |
| CMYK | cmyk(80.3%, 46.5%, 0%, 44.3%) |
| CIE-LAB | lab(32.63, 9.00, -41.17) |
| CIE-LCH | lch(32.63, 42.14, 282.33°) |
| OKLab | oklab(42.18% -0.0264 -0.1181) |
| OKLCH | oklch(42.18% 0.121 257.4) |
| XYZ | xyz(7.9440, 7.3678, 26.5894) |
| Luminance | 0.0737 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.70
Dusk Blue
#26538D
ΔE00 2.33
Light Navy
#155084
ΔE00 3.14
Darkish Blue
#014182
ΔE00 3.72
Twilight Blue
#0A437A
ΔE00 3.78
Cobalt
#0047AB
ΔE00 4.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C4C8E #8E5E1C
analogous
#1C858E #1C4C8E #251C8E
triadic
#1C4C8E #8E1C4C #4C8E1C
tetradic
#1C4C8E #8E1C85 #8E5E1C #1C8E25
square
#1C4C8E #8E1C85 #8E5E1C #1C8E25
split-complementary
#1C4C8E #8E251C #858E1C
monochromatic
#081528 #12315B #1C4C8E #2667C1 #4987DB
Accessibility & contrast
On white
8.49
#1C4C8E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.47
#1C4C8E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C4C8E
8.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C4C8E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C4C8E | 1.00 | 8.49 | 2.47 | 8.49 |
| #FFFFFF | 8.49 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.49 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#295291
Deuteranopia (green-blind)
#0F488D
Tritanopia (blue-blind)
#005C66
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #1c4c8e; /* rgb */ color: rgb(28, 76, 142); /* oklch */ color: oklch(42.2% 0.121 257.4);
Tailwind
colors: {
custom: {
50: '#6b7daf',
500: '#1c4c8e',
950: '#000000',
},
}SCSS
$custom: #1c4c8e; $custom-light: #6b7daf; $custom-dark: #000000;
JSON
{
"hex": "#1c4c8e",
"rgb": {
"r": 28,
"g": 76,
"b": 142
},
"hsl": {
"h": 214.737,
"s": 67.059,
"l": 33.333
},
"oklch": {
"l": 0.42183,
"c": 0.121,
"h": 257.4
},
"luminance": 0.07369
}Semantic roles & 50–950 ramp
primary
#1C4C8E
secondary
#BD8C49
accent
#A13EEA
background
#F6F7FA
surface
#ECEEF5
border
#C7C9CF
text
#080910
muted
#7A7B7F