#1C487F#1C487F
#1C487F is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 40.2% C 0.105 H 255.6°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).
Color values
| HEX | #1C487F |
|---|---|
| RGB | rgb(28, 72, 127) |
| HSL | hsl(213, 64%, 30%) |
| HSV | hsv(213, 78%, 50%) |
| CMYK | cmyk(78%, 43.3%, 0%, 50.2%) |
| CIE-LAB | lab(30.43, 5.64, -35.43) |
| CIE-LCH | lch(30.43, 35.88, 279.05°) |
| OKLab | oklab(40.17% -0.0259 -0.1013) |
| OKLCH | oklch(40.17% 0.105 255.6) |
| XYZ | xyz(6.6256, 6.4132, 20.9632) |
| Luminance | 0.0641 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Twilight Blue
#0A437A
ΔE00 1.94
Darkish Blue
#014182
ΔE00 2.42
Cobalt (survey)
#1E488F
ΔE00 2.47
Prussian Blue
#004577
ΔE00 2.83
Light Navy
#155084
ΔE00 3.41
Dusk Blue
#26538D
ΔE00 3.78
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C487F #7F531C
analogous
#1C797F #1C487F #211C7F
triadic
#1C487F #7F1C48 #487F1C
tetradic
#1C487F #7F1C79 #7F531C #1C7F21
square
#1C487F #7F1C79 #7F531C #1C7F21
split-complementary
#1C487F #7F211C #797F1C
monochromatic
#060F1B #112C4D #1C487F #2764B1 #4082D5
Accessibility & contrast
On white
9.20
#1C487F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.28
#1C487F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C487F
9.20:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C487F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C487F | 1.00 | 9.20 | 2.28 | 9.20 |
| #FFFFFF | 9.20 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.28 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.20 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2D4D81
Deuteranopia (green-blind)
#1C437E
Tritanopia (blue-blind)
#00555D
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #1c487f; /* rgb */ color: rgb(28, 72, 127); /* oklch */ color: oklch(40.2% 0.105 255.6);
Tailwind
colors: {
custom: {
50: '#677aa4',
500: '#1c487f',
950: '#000000',
},
}SCSS
$custom: #1c487f; $custom-light: #677aa4; $custom-dark: #000000;
JSON
{
"hex": "#1c487f",
"rgb": {
"r": 28,
"g": 72,
"b": 127
},
"hsl": {
"h": 213.333,
"s": 63.871,
"l": 30.392
},
"oklch": {
"l": 0.40167,
"c": 0.10458,
"h": 255.6
},
"luminance": 0.06414
}Semantic roles & 50–950 ramp
primary
#1C487F
secondary
#B38244
accent
#9D41E7
background
#F6F7FA
surface
#EBEDF4
border
#C6C8CE
text
#07090F
muted
#7A7B7F