#1C4B76#1C4B76
#1C4B76 is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.3% C 0.089 H 249.3°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).
Color values
| HEX | #1C4B76 |
|---|---|
| RGB | rgb(28, 75, 118) |
| HSL | hsl(209, 62%, 29%) |
| HSV | hsv(209, 76%, 46%) |
| CMYK | cmyk(76.3%, 36.4%, 0%, 53.7%) |
| CIE-LAB | lab(30.85, 0.04, -29.15) |
| CIE-LCH | lch(30.85, 29.15, 270.08°) |
| OKLab | oklab(40.32% -0.0313 -0.0828) |
| OKLCH | oklch(40.32% 0.089 249.3) |
| XYZ | xyz(6.2637, 6.5863, 18.0772) |
| Luminance | 0.0659 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Prussian Blue
#004577
ΔE00 2.29
Light Navy
#155084
ΔE00 2.29
Twilight Blue
#0A437A
ΔE00 3.02
Dusk Blue
#26538D
ΔE00 4.01
Darkish Blue
#014182
ΔE00 4.11
Deep Sea Blue
#015482
ΔE00 4.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C4B76 #76471C
analogous
#1C7674 #1C4B76 #1C1E76
triadic
#1C4B76 #761C4B #4B761C
tetradic
#1C4B76 #741C76 #76471C #1E761C
square
#1C4B76 #741C76 #76471C #1E761C
split-complementary
#1C4B76 #761C1E #76741C
monochromatic
#061019 #102C45 #1C4B76 #286AA7 #3C8AD1
Accessibility & contrast
On white
9.06
#1C4B76 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.32
#1C4B76 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C4B76
9.06:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C4B76 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C4B76 | 1.00 | 9.06 | 2.32 | 9.06 |
| #FFFFFF | 9.06 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.32 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.06 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#374D78
Deuteranopia (green-blind)
#2A4575
Tritanopia (blue-blind)
#00555B
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #1c4b76; /* rgb */ color: rgb(28, 75, 118); /* oklch */ color: oklch(40.3% 0.089 249.3);
Tailwind
colors: {
custom: {
50: '#657d9e',
500: '#1c4b76',
950: '#000000',
},
}SCSS
$custom: #1c4b76; $custom-light: #657d9e; $custom-dark: #000000;
JSON
{
"hex": "#1c4b76",
"rgb": {
"r": 28,
"g": 75,
"b": 118
},
"hsl": {
"h": 208.667,
"s": 61.644,
"l": 28.627
},
"oklch": {
"l": 0.40316,
"c": 0.08857,
"h": 249.3
},
"luminance": 0.06587
}Semantic roles & 50–950 ramp
primary
#1C4B76
secondary
#AA7544
accent
#9043E5
background
#F6F7F9
surface
#EBEEF2
border
#C6C9CC
text
#06090E
muted
#7A7B7E