#1C436A#1C436A
#1C436A is a dark, moderate cyan. Relative luminance 0.053; OKLCH L 37.5% C 0.080 H 250.8°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).
Color values
| HEX | #1C436A |
|---|---|
| RGB | rgb(28, 67, 106) |
| HSL | hsl(210, 58%, 26%) |
| HSV | hsv(210, 74%, 42%) |
| CMYK | cmyk(73.6%, 36.8%, 0%, 58.4%) |
| CIE-LAB | lab(27.58, 0.59, -26.74) |
| CIE-LCH | lch(27.58, 26.74, 271.27°) |
| OKLab | oklab(37.53% -0.0264 -0.0759) |
| OKLCH | oklch(37.53% 0.08 250.8) |
| XYZ | xyz(5.0866, 5.3012, 14.3880) |
| Luminance | 0.0530 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Twilight Blue
#0A437A
ΔE00 2.49
Prussian Blue
#004577
ΔE00 2.57
Darkish Blue
#014182
ΔE00 3.55
Marine Blue
#01386A
ΔE00 3.83
Dark Slate Blue
#214761
ΔE00 4.74
Light Navy
#155084
ΔE00 5.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C436A #6A431C
analogous
#1C6A6A #1C436A #1C1C6A
triadic
#1C436A #6A1C43 #436A1C
tetradic
#1C436A #6A1C6A #6A431C #1C6A1C
square
#1C436A #6A1C6A #6A431C #1C6A1C
split-complementary
#1C436A #6A1C1C #6A6A1C
monochromatic
#060F18 #0F243A #1C436A #29629A #3680CA
Accessibility & contrast
On white
10.19
#1C436A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.06
#1C436A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C436A
10.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C436A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C436A | 1.00 | 10.19 | 2.06 | 10.19 |
| #FFFFFF | 10.19 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.06 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.19 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#32456C
Deuteranopia (green-blind)
#263E69
Tritanopia (blue-blind)
#004C51
Achromatopsia (no color)
#414141
Design tokens & code
CSS
--color: #1c436a; /* rgb */ color: rgb(28, 67, 106); /* oklch */ color: oklch(37.5% 0.080 250.8);
Tailwind
colors: {
custom: {
50: '#637695',
500: '#1c436a',
950: '#000000',
},
}SCSS
$custom: #1c436a; $custom-light: #637695; $custom-dark: #000000;
JSON
{
"hex": "#1c436a",
"rgb": {
"r": 28,
"g": 67,
"b": 106
},
"hsl": {
"h": 210,
"s": 58.209,
"l": 26.275
},
"oklch": {
"l": 0.37529,
"c": 0.08037,
"h": 250.8
},
"luminance": 0.05302
}Semantic roles & 50–950 ramp
primary
#1C436A
secondary
#9F7143
accent
#9446E1
background
#F6F7F9
surface
#EBEDF1
border
#C6C8CB
text
#06080D
muted
#7A7B7E