#1C4C8F#1C4C8F
#1C4C8F is a dark, vivid cyan. Relative luminance 0.074; OKLCH L 42.3% C 0.122 H 257.6°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).
Color values
| HEX | #1C4C8F |
|---|---|
| RGB | rgb(28, 76, 143) |
| HSL | hsl(215, 67%, 34%) |
| HSV | hsv(215, 80%, 56%) |
| CMYK | cmyk(80.4%, 46.9%, 0%, 43.9%) |
| CIE-LAB | lab(32.70, 9.40, -41.67) |
| CIE-LCH | lch(32.70, 42.72, 282.71°) |
| OKLab | oklab(42.26% -0.0262 -0.1196) |
| OKLCH | oklch(42.26% 0.122 257.6) |
| XYZ | xyz(8.0194, 7.3980, 26.9866) |
| Luminance | 0.0740 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.64
Dusk Blue
#26538D
ΔE00 2.36
Light Navy
#155084
ΔE00 3.24
Darkish Blue
#014182
ΔE00 3.77
Twilight Blue
#0A437A
ΔE00 3.88
Cobalt
#0047AB
ΔE00 4.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C4C8F #8F5F1C
analogous
#1C858F #1C4C8F #261C8F
triadic
#1C4C8F #8F1C4C #4C8F1C
tetradic
#1C4C8F #8F1C85 #8F5F1C #1C8F26
square
#1C4C8F #8F1C85 #8F5F1C #1C8F26
split-complementary
#1C4C8F #8F261C #858F1C
monochromatic
#081629 #12315C #1C4C8F #2667C2 #4A87DC
Accessibility & contrast
On white
8.47
#1C4C8F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.48
#1C4C8F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C4C8F
8.47:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C4C8F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C4C8F | 1.00 | 8.47 | 2.48 | 8.47 |
| #FFFFFF | 8.47 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.48 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.47 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#285292
Deuteranopia (green-blind)
#0C488E
Tritanopia (blue-blind)
#005C66
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #1c4c8f; /* rgb */ color: rgb(28, 76, 143); /* oklch */ color: oklch(42.3% 0.122 257.6);
Tailwind
colors: {
custom: {
50: '#6b7db0',
500: '#1c4c8f',
950: '#000000',
},
}SCSS
$custom: #1c4c8f; $custom-light: #6b7db0; $custom-dark: #000000;
JSON
{
"hex": "#1c4c8f",
"rgb": {
"r": 28,
"g": 76,
"b": 143
},
"hsl": {
"h": 214.957,
"s": 67.251,
"l": 33.529
},
"oklch": {
"l": 0.42255,
"c": 0.1224,
"h": 257.6
},
"luminance": 0.07399
}Semantic roles & 50–950 ramp
primary
#1C4C8F
secondary
#BE8D49
accent
#A23EEA
background
#F6F7FA
surface
#ECEEF5
border
#C7C9CF
text
#080910
muted
#7A7B7F