#1C5AB0#1C5AB0
#1C5AB0 is a mid, vivid cyan. Relative luminance 0.107; OKLCH L 47.9% C 0.151 H 257.9°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).
Color values
| HEX | #1C5AB0 |
|---|---|
| RGB | rgb(28, 90, 176) |
| HSL | hsl(215, 73%, 40%) |
| HSV | hsv(215, 84%, 69%) |
| CMYK | cmyk(84.1%, 48.9%, 0%, 31%) |
| CIE-LAB | lab(39.06, 13.30, -51.24) |
| CIE-LCH | lch(39.06, 52.93, 284.55°) |
| OKLab | oklab(47.87% -0.0315 -0.1474) |
| OKLCH | oklch(47.87% 0.151 257.9) |
| XYZ | xyz(11.9686, 10.6923, 42.4989) |
| Luminance | 0.1069 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Denim
#1560BD
ΔE00 2.49
Sapphire
#0F52BA
ΔE00 3.20
Denim Blue
#3B5B92
ΔE00 4.36
Light Navy Blue
#2E5A88
ΔE00 4.54
Dusk Blue
#26538D
ΔE00 4.54
Denim (survey)
#3B638C
ΔE00 5.19
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C5AB0 #B0721C
analogous
#1CA4B0 #1C5AB0 #281CB0
triadic
#1C5AB0 #B01C5A #5AB01C
tetradic
#1C5AB0 #B01CA4 #B0721C #1CB028
square
#1C5AB0 #B01CA4 #B0721C #1CB028
split-complementary
#1C5AB0 #B0281C #A4B01C
monochromatic
#0B2446 #143F7B #1C5AB0 #2C76DD #6198E6
Accessibility & contrast
On white
6.69
#1C5AB0 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.14
#1C5AB0 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1C5AB0
6.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C5AB0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C5AB0 | 1.00 | 6.69 | 3.14 | 6.69 |
| #FFFFFF | 6.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.14 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2763B3
Deuteranopia (green-blind)
#0056AE
Tritanopia (blue-blind)
#006F7C
Achromatopsia (no color)
#5C5C5C
Design tokens & code
CSS
--color: #1c5ab0; /* rgb */ color: rgb(28, 90, 176); /* oklch */ color: oklch(47.9% 0.151 257.9);
Tailwind
colors: {
custom: {
50: '#7388c8',
500: '#1c5ab0',
950: '#000000',
},
}SCSS
$custom: #1c5ab0; $custom-light: #7388c8; $custom-dark: #000000;
JSON
{
"hex": "#1c5ab0",
"rgb": {
"r": 28,
"g": 90,
"b": 176
},
"hsl": {
"h": 214.865,
"s": 72.549,
"l": 40
},
"oklch": {
"l": 0.47869,
"c": 0.15076,
"h": 257.9
},
"luminance": 0.10694
}Semantic roles & 50–950 ramp
primary
#1C5AB0
secondary
#CA9D5E
accent
#A339EF
background
#F7F8FC
surface
#EEEFF8
border
#C9CAD1
text
#090B13
muted
#7B7C82