#1C586B#1C586B
#1C586B is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.1% C 0.068 H 222.9°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).
Color values
| HEX | #1C586B |
|---|---|
| RGB | rgb(28, 88, 107) |
| HSL | hsl(194, 59%, 26%) |
| HSV | hsv(194, 74%, 42%) |
| CMYK | cmyk(73.8%, 17.8%, 0%, 58%) |
| CIE-LAB | lab(34.57, -12.26, -16.46) |
| CIE-LCH | lch(34.57, 20.52, 233.33°) |
| OKLab | oklab(43.1% -0.0495 -0.046) |
| OKLCH | oklch(43.1% 0.068 222.9) |
| XYZ | xyz(6.6214, 8.2871, 15.1577) |
| Luminance | 0.0829 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Petrol
#005F6A
ΔE00 6.03
Deep Teal
#00555A
ΔE00 8.06
Dark Slate Blue
#214761
ΔE00 8.35
Dark Grey Blue
#29465B
ΔE00 8.54
Ugly Blue
#31668A
ΔE00 9.03
Darkslategray
#2F4F4F
ΔE00 9.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C586B #6B2F1C
analogous
#1C6B57 #1C586B #1C316B
triadic
#1C586B #6B1C58 #586B1C
tetradic
#1C586B #571C6B #6B2F1C #316B1C
square
#1C586B #571C6B #6B2F1C #316B1C
split-complementary
#1C586B #6B1C31 #6B571C
monochromatic
#061418 #0F303A #1C586B #29809C #37A7CB
Accessibility & contrast
On white
7.90
#1C586B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.66
#1C586B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C586B
7.90:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C586B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C586B | 1.00 | 7.90 | 2.66 | 7.90 |
| #FFFFFF | 7.90 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.66 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.90 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4D566C
Deuteranopia (green-blind)
#424E6B
Tritanopia (blue-blind)
#005E5E
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #1c586b; /* rgb */ color: rgb(28, 88, 107); /* oklch */ color: oklch(43.1% 0.068 222.9);
Tailwind
colors: {
custom: {
50: '#648795',
500: '#1c586b',
950: '#000000',
},
}SCSS
$custom: #1c586b; $custom-light: #648795; $custom-dark: #000000;
JSON
{
"hex": "#1c586b",
"rgb": {
"r": 28,
"g": 88,
"b": 107
},
"hsl": {
"h": 194.43,
"s": 58.519,
"l": 26.471
},
"oklch": {
"l": 0.43097,
"c": 0.06756,
"h": 222.9
},
"luminance": 0.08288
}Semantic roles & 50–950 ramp
primary
#1C586B
secondary
#A05943
accent
#6C46E2
background
#F6F8F9
surface
#EBEFF1
border
#C6CACB
text
#060B0D
muted
#7A7C7E