#19577B#19577B
#19577B is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 43.6% C 0.085 H 239.1°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).
Color values
| HEX | #19577B |
|---|---|
| RGB | rgb(25, 87, 123) |
| HSL | hsl(202, 66%, 29%) |
| HSV | hsv(202, 80%, 48%) |
| CMYK | cmyk(79.7%, 29.3%, 0%, 51.8%) |
| CIE-LAB | lab(34.91, -6.09, -25.88) |
| CIE-LCH | lch(34.91, 26.58, 256.75°) |
| OKLab | oklab(43.59% -0.0438 -0.0732) |
| OKLCH | oklch(43.59% 0.085 239.1) |
| XYZ | xyz(7.3828, 8.4522, 19.9774) |
| Luminance | 0.0845 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deep Sea Blue
#015482
ΔE00 2.44
Light Navy
#155084
ΔE00 4.82
Light Navy Blue
#2E5A88
ΔE00 4.84
Ugly Blue
#31668A
ΔE00 5.40
Peacock Blue
#016795
ΔE00 5.89
Dark Slate Blue
#214761
ΔE00 5.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#19577B #7B3D19
analogous
#197B6E #19577B #19267B
triadic
#19577B #7B1957 #577B19
tetradic
#19577B #6E197B #7B3D19 #267B19
square
#19577B #6E197B #7B3D19 #267B19
split-complementary
#19577B #7B1926 #7B6E19
monochromatic
#051219 #0F3348 #19577B #237BAE #389CD7
Accessibility & contrast
On white
7.80
#19577B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.69
#19577B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #19577B
7.80:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##19577B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##19577B | 1.00 | 7.80 | 2.69 | 7.80 |
| #FFFFFF | 7.80 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.69 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.80 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#46577D
Deuteranopia (green-blind)
#394E7A
Tritanopia (blue-blind)
#006064
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #19577b; /* rgb */ color: rgb(25, 87, 123); /* oklch */ color: oklch(43.6% 0.085 239.1);
Tailwind
colors: {
custom: {
50: '#6686a1',
500: '#19577b',
950: '#000000',
},
}SCSS
$custom: #19577b; $custom-light: #6686a1; $custom-dark: #000000;
JSON
{
"hex": "#19577b",
"rgb": {
"r": 25,
"g": 87,
"b": 123
},
"hsl": {
"h": 202.041,
"s": 66.216,
"l": 29.02
},
"oklch": {
"l": 0.43585,
"c": 0.08525,
"h": 239.1
},
"luminance": 0.08453
}Semantic roles & 50–950 ramp
primary
#19577B
secondary
#AF6940
accent
#7D3FE9
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#070B0F
muted
#7A7C7E