#1C4D88#1C4D88
#1C4D88 is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 42.0% C 0.111 H 255.2°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).
Color values
| HEX | #1C4D88 |
|---|---|
| RGB | rgb(28, 77, 136) |
| HSL | hsl(213, 66%, 32%) |
| HSV | hsv(213, 79%, 53%) |
| CMYK | cmyk(79.4%, 43.4%, 0%, 46.7%) |
| CIE-LAB | lab(32.55, 5.91, -37.61) |
| CIE-LCH | lch(32.55, 38.08, 278.92°) |
| OKLab | oklab(42% -0.0285 -0.1076) |
| OKLCH | oklch(42% 0.111 255.2) |
| XYZ | xyz(7.5750, 7.3313, 24.3036) |
| Luminance | 0.0733 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusk Blue
#26538D
ΔE00 2.03
Light Navy
#155084
ΔE00 2.18
Cobalt (survey)
#1E488F
ΔE00 2.60
Twilight Blue
#0A437A
ΔE00 3.49
Prussian Blue
#004577
ΔE00 3.75
Darkish Blue
#014182
ΔE00 3.85
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C4D88 #88571C
analogous
#1C8388 #1C4D88 #211C88
triadic
#1C4D88 #881C4D #4D881C
tetradic
#1C4D88 #881C83 #88571C #1C8821
square
#1C4D88 #881C83 #88571C #1C8821
split-complementary
#1C4D88 #88211C #83881C
monochromatic
#071422 #123055 #1C4D88 #266ABB #4688D9
Accessibility & contrast
On white
8.51
#1C4D88 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.47
#1C4D88 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C4D88
8.51:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C4D88 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C4D88 | 1.00 | 8.51 | 2.47 | 8.51 |
| #FFFFFF | 8.51 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.51 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#30528A
Deuteranopia (green-blind)
#1D4887
Tritanopia (blue-blind)
#005B64
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #1c4d88; /* rgb */ color: rgb(28, 77, 136); /* oklch */ color: oklch(42.0% 0.111 255.2);
Tailwind
colors: {
custom: {
50: '#697eab',
500: '#1c4d88',
950: '#000000',
},
}SCSS
$custom: #1c4d88; $custom-light: #697eab; $custom-dark: #000000;
JSON
{
"hex": "#1c4d88",
"rgb": {
"r": 28,
"g": 77,
"b": 136
},
"hsl": {
"h": 212.778,
"s": 65.854,
"l": 32.157
},
"oklch": {
"l": 0.41996,
"c": 0.11134,
"h": 255.2
},
"luminance": 0.07332
}Semantic roles & 50–950 ramp
primary
#1C4D88
secondary
#BA8545
accent
#9C3FE9
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070910
muted
#7A7B7F