#1F617C#1F617C
#1F617C is a mid, moderate cyan. Relative luminance 0.103; OKLCH L 46.4% C 0.078 H 229.4°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).
Color values
| HEX | #1F617C |
|---|---|
| RGB | rgb(31, 97, 124) |
| HSL | hsl(197, 60%, 30%) |
| HSV | hsv(197, 75%, 49%) |
| CMYK | cmyk(75%, 21.8%, 0%, 51.4%) |
| CIE-LAB | lab(38.37, -10.95, -21.09) |
| CIE-LCH | lch(38.37, 23.76, 242.56°) |
| OKLab | oklab(46.4% -0.0508 -0.0592) |
| OKLCH | oklch(46.4% 0.078 229.4) |
| XYZ | xyz(8.4764, 10.2950, 20.6053) |
| Luminance | 0.1030 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ugly Blue
#31668A
ΔE00 5.08
Peacock Blue
#016795
ΔE00 5.66
Sea Blue
#047495
ΔE00 6.84
Ocean Blue (survey)
#03719C
ΔE00 6.92
Deep Sea Blue
#015482
ΔE00 7.65
Denim (survey)
#3B638C
ΔE00 8.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F617C #7C3A1F
analogous
#1F7C68 #1F617C #1F337C
triadic
#1F617C #7C1F61 #617C1F
tetradic
#1F617C #681F7C #7C3A1F #337C1F
square
#1F617C #681F7C #7C3A1F #337C1F
split-complementary
#1F617C #7C1F33 #7C681F
monochromatic
#07141A #133B4B #1F617C #2B87AD #45A8D0
Accessibility & contrast
On white
6.86
#1F617C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.06
#1F617C on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1F617C
6.86:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F617C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F617C | 1.00 | 6.86 | 3.06 | 6.86 |
| #FFFFFF | 6.86 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.06 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.86 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#535F7D
Deuteranopia (green-blind)
#46567C
Tritanopia (blue-blind)
#00696A
Achromatopsia (no color)
#5A5A5A
Design tokens & code
CSS
--color: #1f617c; /* rgb */ color: rgb(31, 97, 124); /* oklch */ color: oklch(46.4% 0.078 229.4);
Tailwind
colors: {
custom: {
50: '#698ea2',
500: '#1f617c',
950: '#000000',
},
}SCSS
$custom: #1f617c; $custom-light: #698ea2; $custom-dark: #000000;
JSON
{
"hex": "#1f617c",
"rgb": {
"r": 31,
"g": 97,
"b": 124
},
"hsl": {
"h": 197.419,
"s": 60,
"l": 30.392
},
"oklch": {
"l": 0.46401,
"c": 0.07796,
"h": 229.4
},
"luminance": 0.10296
}Semantic roles & 50–950 ramp
primary
#1F617C
secondary
#AF6648
accent
#7345E3
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#070C0F
muted
#7A7D7E