#1C4A7D#1C4A7D
#1C4A7D is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.5% C 0.099 H 253.4°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).
Color values
| HEX | #1C4A7D |
|---|---|
| RGB | rgb(28, 74, 125) |
| HSL | hsl(212, 63%, 30%) |
| HSV | hsv(212, 78%, 49%) |
| CMYK | cmyk(77.6%, 40.8%, 0%, 51%) |
| CIE-LAB | lab(30.94, 3.49, -33.38) |
| CIE-LCH | lch(30.94, 33.56, 275.97°) |
| OKLab | oklab(40.52% -0.0283 -0.0952) |
| OKLCH | oklch(40.52% 0.099 253.4) |
| XYZ | xyz(6.6280, 6.6243, 20.3274) |
| Luminance | 0.0663 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Twilight Blue
#0A437A
ΔE00 2.30
Prussian Blue
#004577
ΔE00 2.50
Light Navy
#155084
ΔE00 2.53
Darkish Blue
#014182
ΔE00 3.12
Cobalt (survey)
#1E488F
ΔE00 3.13
Dusk Blue
#26538D
ΔE00 3.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C4A7D #7D4F1C
analogous
#1C7B7D #1C4A7D #1E1C7D
triadic
#1C4A7D #7D1C4A #4A7D1C
tetradic
#1C4A7D #7D1C7B #7D4F1C #1C7D1E
square
#1C4A7D #7D1C7B #7D4F1C #1C7D1E
split-complementary
#1C4A7D #7D1E1C #7B7D1C
monochromatic
#060F19 #112C4B #1C4A7D #2768AF #3F86D4
Accessibility & contrast
On white
9.03
#1C4A7D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.33
#1C4A7D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C4A7D
9.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C4A7D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C4A7D | 1.00 | 9.03 | 2.33 | 9.03 |
| #FFFFFF | 9.03 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.33 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.03 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#324E7F
Deuteranopia (green-blind)
#23457C
Tritanopia (blue-blind)
#00565D
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #1c4a7d; /* rgb */ color: rgb(28, 74, 125); /* oklch */ color: oklch(40.5% 0.099 253.4);
Tailwind
colors: {
custom: {
50: '#677ca3',
500: '#1c4a7d',
950: '#000000',
},
}SCSS
$custom: #1c4a7d; $custom-light: #677ca3; $custom-dark: #000000;
JSON
{
"hex": "#1c4a7d",
"rgb": {
"r": 28,
"g": 74,
"b": 125
},
"hsl": {
"h": 211.546,
"s": 63.399,
"l": 30
},
"oklch": {
"l": 0.4052,
"c": 0.09938,
"h": 253.4
},
"luminance": 0.06625
}Semantic roles & 50–950 ramp
primary
#1C4A7D
secondary
#B17D44
accent
#9841E6
background
#F6F7FA
surface
#EBEEF4
border
#C6C9CE
text
#07090F
muted
#7A7B7F