#1C4D7E#1C4D7E
#1C4D7E is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.3% C 0.097 H 251.4°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).
Color values
| HEX | #1C4D7E |
|---|---|
| RGB | rgb(28, 77, 126) |
| HSL | hsl(210, 64%, 30%) |
| HSV | hsv(210, 78%, 49%) |
| CMYK | cmyk(77.8%, 38.9%, 0%, 50.6%) |
| CIE-LAB | lab(31.94, 1.90, -32.40) |
| CIE-LCH | lch(31.94, 32.46, 273.35°) |
| OKLab | oklab(41.33% -0.031 -0.0923) |
| OKLCH | oklch(41.33% 0.097 251.4) |
| XYZ | xyz(6.8972, 7.0602, 20.7339) |
| Luminance | 0.0706 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy
#155084
ΔE00 1.42
Dusk Blue
#26538D
ΔE00 2.83
Prussian Blue
#004577
ΔE00 2.88
Twilight Blue
#0A437A
ΔE00 3.27
Cobalt (survey)
#1E488F
ΔE00 3.82
Darkish Blue
#014182
ΔE00 4.14
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C4D7E #7E4D1C
analogous
#1C7E7E #1C4D7E #1C1C7E
triadic
#1C4D7E #7E1C4D #4D7E1C
tetradic
#1C4D7E #7E1C7E #7E4D1C #1C7E1C
square
#1C4D7E #7E1C7E #7E4D1C #1C7E1C
split-complementary
#1C4D7E #7E1C1C #7E7E1C
monochromatic
#06101A #112E4C #1C4D7E #276CB0 #408AD5
Accessibility & contrast
On white
8.71
#1C4D7E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.41
#1C4D7E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C4D7E
8.71:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C4D7E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C4D7E | 1.00 | 8.71 | 2.41 | 8.71 |
| #FFFFFF | 8.71 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.41 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.71 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#365080
Deuteranopia (green-blind)
#27477D
Tritanopia (blue-blind)
#00595F
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #1c4d7e; /* rgb */ color: rgb(28, 77, 126); /* oklch */ color: oklch(41.3% 0.097 251.4);
Tailwind
colors: {
custom: {
50: '#677ea3',
500: '#1c4d7e',
950: '#000000',
},
}SCSS
$custom: #1c4d7e; $custom-light: #677ea3; $custom-dark: #000000;
JSON
{
"hex": "#1c4d7e",
"rgb": {
"r": 28,
"g": 77,
"b": 126
},
"hsl": {
"h": 210,
"s": 63.636,
"l": 30.196
},
"oklch": {
"l": 0.41326,
"c": 0.0974,
"h": 251.4
},
"luminance": 0.07061
}Semantic roles & 50–950 ramp
primary
#1C4D7E
secondary
#B27B44
accent
#9441E7
background
#F6F7FA
surface
#EBEEF4
border
#C6C9CE
text
#07090F
muted
#7A7B7F