#1C498B#1C498B
#1C498B is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.3% C 0.120 H 258.3°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).
Color values
| HEX | #1C498B |
|---|---|
| RGB | rgb(28, 73, 139) |
| HSL | hsl(216, 66%, 33%) |
| HSV | hsv(216, 80%, 55%) |
| CMYK | cmyk(79.9%, 47.5%, 0%, 45.5%) |
| CIE-LAB | lab(31.52, 9.82, -41.11) |
| CIE-LCH | lch(31.52, 42.26, 283.43°) |
| OKLab | oklab(41.26% -0.0243 -0.118) |
| OKLCH | oklch(41.26% 0.12 258.3) |
| XYZ | xyz(7.5199, 6.8752, 25.3518) |
| Luminance | 0.0688 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 0.95
Darkish Blue
#014182
ΔE00 2.88
Twilight Blue
#0A437A
ΔE00 3.17
Dusk Blue
#26538D
ΔE00 3.31
Light Navy
#155084
ΔE00 3.84
Prussian Blue
#004577
ΔE00 4.14
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C498B #8B5E1C
analogous
#1C808B #1C498B #271C8B
triadic
#1C498B #8B1C49 #498B1C
tetradic
#1C498B #8B1C80 #8B5E1C #1C8B27
square
#1C498B #8B1C80 #8B5E1C #1C8B27
split-complementary
#1C498B #8B271C #808B1C
monochromatic
#071325 #122E58 #1C498B #2664BE #4783DA
Accessibility & contrast
On white
8.84
#1C498B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.38
#1C498B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C498B
8.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C498B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C498B | 1.00 | 8.84 | 2.38 | 8.84 |
| #FFFFFF | 8.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.38 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#26508D
Deuteranopia (green-blind)
#09458A
Tritanopia (blue-blind)
#005963
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #1c498b; /* rgb */ color: rgb(28, 73, 139); /* oklch */ color: oklch(41.3% 0.120 258.3);
Tailwind
colors: {
custom: {
50: '#6a7bad',
500: '#1c498b',
950: '#000000',
},
}SCSS
$custom: #1c498b; $custom-light: #6a7bad; $custom-dark: #000000;
JSON
{
"hex": "#1c498b",
"rgb": {
"r": 28,
"g": 73,
"b": 139
},
"hsl": {
"h": 215.676,
"s": 66.467,
"l": 32.745
},
"oklch": {
"l": 0.41262,
"c": 0.12047,
"h": 258.3
},
"luminance": 0.06876
}Semantic roles & 50–950 ramp
primary
#1C498B
secondary
#BC8C47
accent
#A43EE9
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#070910
muted
#7A7B7F