#1C4898#1C4898
#1C4898 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.0% C 0.140 H 261.2°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).
Color values
| HEX | #1C4898 |
|---|---|
| RGB | rgb(28, 72, 152) |
| HSL | hsl(219, 69%, 35%) |
| HSV | hsv(219, 82%, 60%) |
| CMYK | cmyk(81.6%, 52.6%, 0%, 40.4%) |
| CIE-LAB | lab(32.14, 15.76, -48.05) |
| CIE-LCH | lch(32.14, 50.57, 288.16°) |
| OKLab | oklab(42.03% -0.0215 -0.1384) |
| OKLCH | oklch(42.03% 0.14 261.2) |
| XYZ | xyz(8.4617, 7.1476, 30.6333) |
| Luminance | 0.0715 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.27
Cobalt
#0047AB
ΔE00 2.56
Darkish Blue
#014182
ΔE00 4.02
Dusk Blue
#26538D
ΔE00 4.27
Twilight Blue
#0A437A
ΔE00 4.78
Sapphire
#0F52BA
ΔE00 5.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C4898 #986C1C
analogous
#1C8698 #1C4898 #2E1C98
triadic
#1C4898 #981C48 #48981C
tetradic
#1C4898 #981C86 #986C1C #1C982E
square
#1C4898 #981C86 #986C1C #1C982E
split-complementary
#1C4898 #982E1C #86981C
monochromatic
#091731 #123064 #1C4898 #2660CC #5082DF
Accessibility & contrast
On white
8.64
#1C4898 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.43
#1C4898 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C4898
8.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C4898 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C4898 | 1.00 | 8.64 | 2.43 | 8.64 |
| #FFFFFF | 8.64 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.64 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#11529B
Deuteranopia (green-blind)
#004696
Tritanopia (blue-blind)
#005B69
Achromatopsia (no color)
#4C4C4C
Design tokens & code
CSS
--color: #1c4898; /* rgb */ color: rgb(28, 72, 152); /* oklch */ color: oklch(42.0% 0.140 261.2);
Tailwind
colors: {
custom: {
50: '#6d7ab7',
500: '#1c4898',
950: '#000000',
},
}SCSS
$custom: #1c4898; $custom-light: #6d7ab7; $custom-dark: #000000;
JSON
{
"hex": "#1c4898",
"rgb": {
"r": 28,
"g": 72,
"b": 152
},
"hsl": {
"h": 218.71,
"s": 68.889,
"l": 35.294
},
"oklch": {
"l": 0.4203,
"c": 0.14009,
"h": 261.2
},
"luminance": 0.07149
}Semantic roles & 50–950 ramp
primary
#1C4898
secondary
#C1994E
accent
#AD3CEC
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#080911
muted
#7B7B80