#1C436E#1C436E
#1C436E is a dark, moderate cyan. Relative luminance 0.054; OKLCH L 37.8% C 0.086 H 253.0°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).
Color values
| HEX | #1C436E |
|---|---|
| RGB | rgb(28, 67, 110) |
| HSL | hsl(211, 59%, 27%) |
| HSV | hsv(211, 75%, 43%) |
| CMYK | cmyk(74.5%, 39.1%, 0%, 56.9%) |
| CIE-LAB | lab(27.81, 2.19, -28.92) |
| CIE-LCH | lch(27.81, 29.00, 274.32°) |
| OKLab | oklab(37.79% -0.0252 -0.0823) |
| OKLCH | oklch(37.79% 0.086 253) |
| XYZ | xyz(5.2995, 5.3864, 15.5092) |
| Luminance | 0.0539 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Twilight Blue
#0A437A
ΔE00 1.94
Prussian Blue
#004577
ΔE00 2.55
Darkish Blue
#014182
ΔE00 2.96
Marine Blue
#01386A
ΔE00 3.60
Cobalt (survey)
#1E488F
ΔE00 4.64
Light Navy
#155084
ΔE00 5.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C436E #6E471C
analogous
#1C6C6E #1C436E #1E1C6E
triadic
#1C436E #6E1C43 #436E1C
tetradic
#1C436E #6E1C6C #6E471C #1C6E1E
square
#1C436E #6E1C6C #6E471C #1C6E1E
split-complementary
#1C436E #6E1E1C #6C6E1C
monochromatic
#060F18 #10253D #1C436E #28619F #387FCC
Accessibility & contrast
On white
10.11
#1C436E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.08
#1C436E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C436E
10.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C436E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C436E | 1.00 | 10.11 | 2.08 | 10.11 |
| #FFFFFF | 10.11 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.08 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.11 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2F4670
Deuteranopia (green-blind)
#233E6D
Tritanopia (blue-blind)
#004D53
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #1c436e; /* rgb */ color: rgb(28, 67, 110); /* oklch */ color: oklch(37.8% 0.086 253.0);
Tailwind
colors: {
custom: {
50: '#647698',
500: '#1c436e',
950: '#000000',
},
}SCSS
$custom: #1c436e; $custom-light: #647698; $custom-dark: #000000;
JSON
{
"hex": "#1c436e",
"rgb": {
"r": 28,
"g": 67,
"b": 110
},
"hsl": {
"h": 211.463,
"s": 59.42,
"l": 27.059
},
"oklch": {
"l": 0.37786,
"c": 0.08607,
"h": 253
},
"luminance": 0.05387
}Semantic roles & 50–950 ramp
primary
#1C436E
secondary
#A37543
accent
#9845E3
background
#F6F7F9
surface
#EBEDF2
border
#C6C8CC
text
#06080D
muted
#7A7B7E