#1C556A#1C556A
#1C556A is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.2% C 0.067 H 226.4°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).
Color values
| HEX | #1C556A |
|---|---|
| RGB | rgb(28, 85, 106) |
| HSL | hsl(196, 58%, 26%) |
| HSV | hsv(196, 74%, 42%) |
| CMYK | cmyk(73.6%, 19.8%, 0%, 58.4%) |
| CIE-LAB | lab(33.53, -10.84, -17.44) |
| CIE-LCH | lch(33.53, 20.53, 238.15°) |
| OKLab | oklab(42.25% -0.0465 -0.0488) |
| OKLCH | oklch(42.25% 0.067 226.4) |
| XYZ | xyz(6.3279, 7.7838, 14.8018) |
| Luminance | 0.0778 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 6.82
Dark Grey Blue
#29465B
ΔE00 7.11
Petrol
#005F6A
ΔE00 7.51
Deep Sea Blue
#015482
ΔE00 8.25
Ugly Blue
#31668A
ΔE00 8.69
Deep Teal
#00555A
ΔE00 9.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C556A #6A311C
analogous
#1C6A58 #1C556A #1C2E6A
triadic
#1C556A #6A1C55 #556A1C
tetradic
#1C556A #581C6A #6A311C #2E6A1C
square
#1C556A #581C6A #6A311C #2E6A1C
split-complementary
#1C556A #6A1C2E #6A581C
monochromatic
#061318 #0F2E3A #1C556A #297C9A #36A2CA
Accessibility & contrast
On white
8.21
#1C556A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.56
#1C556A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C556A
8.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C556A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C556A | 1.00 | 8.21 | 2.56 | 8.21 |
| #FFFFFF | 8.21 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.56 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.21 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4A536B
Deuteranopia (green-blind)
#3F4B6A
Tritanopia (blue-blind)
#005B5C
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #1c556a; /* rgb */ color: rgb(28, 85, 106); /* oklch */ color: oklch(42.2% 0.067 226.4);
Tailwind
colors: {
custom: {
50: '#648594',
500: '#1c556a',
950: '#000000',
},
}SCSS
$custom: #1c556a; $custom-light: #648594; $custom-dark: #000000;
JSON
{
"hex": "#1c556a",
"rgb": {
"r": 28,
"g": 85,
"b": 106
},
"hsl": {
"h": 196.154,
"s": 58.209,
"l": 26.275
},
"oklch": {
"l": 0.42246,
"c": 0.06744,
"h": 226.4
},
"luminance": 0.07784
}Semantic roles & 50–950 ramp
primary
#1C556A
secondary
#9F5C43
accent
#7046E1
background
#F6F8F9
surface
#EBEFF1
border
#C6CACB
text
#060B0D
muted
#7A7C7E