#1F617E#1F617E
#1F617E is a mid, moderate cyan. Relative luminance 0.103; OKLCH L 46.5% C 0.080 H 231.3°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).
Color values
| HEX | #1F617E |
|---|---|
| RGB | rgb(31, 97, 126) |
| HSL | hsl(198, 61%, 31%) |
| HSV | hsv(198, 75%, 49%) |
| CMYK | cmyk(75.4%, 23%, 0%, 50.6%) |
| CIE-LAB | lab(38.46, -10.22, -22.17) |
| CIE-LCH | lch(38.46, 24.41, 245.25°) |
| OKLab | oklab(46.5% -0.05 -0.0623) |
| OKLCH | oklch(46.5% 0.08 231.3) |
| XYZ | xyz(8.6042, 10.3461, 21.2781) |
| Luminance | 0.1035 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ugly Blue
#31668A
ΔE00 4.37
Peacock Blue
#016795
ΔE00 4.91
Ocean Blue (survey)
#03719C
ΔE00 6.52
Sea Blue
#047495
ΔE00 6.86
Deep Sea Blue
#015482
ΔE00 6.96
Denim (survey)
#3B638C
ΔE00 7.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F617E #7E3C1F
analogous
#1F7E6B #1F617E #1F317E
triadic
#1F617E #7E1F61 #617E1F
tetradic
#1F617E #6B1F7E #7E3C1F #317E1F
square
#1F617E #6B1F7E #7E3C1F #317E1F
split-complementary
#1F617E #7E1F31 #7E6B1F
monochromatic
#07151C #133B4D #1F617E #2B87AF #46A7D1
Accessibility & contrast
On white
6.84
#1F617E on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.07
#1F617E on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1F617E
6.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F617E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F617E | 1.00 | 6.84 | 3.07 | 6.84 |
| #FFFFFF | 6.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.07 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#52607F
Deuteranopia (green-blind)
#45567E
Tritanopia (blue-blind)
#00696B
Achromatopsia (no color)
#5B5B5B
Design tokens & code
CSS
--color: #1f617e; /* rgb */ color: rgb(31, 97, 126); /* oklch */ color: oklch(46.5% 0.080 231.3);
Tailwind
colors: {
custom: {
50: '#698da3',
500: '#1f617e',
950: '#000000',
},
}SCSS
$custom: #1f617e; $custom-light: #698da3; $custom-dark: #000000;
JSON
{
"hex": "#1f617e",
"rgb": {
"r": 31,
"g": 97,
"b": 126
},
"hsl": {
"h": 198.316,
"s": 60.51,
"l": 30.784
},
"oklch": {
"l": 0.46502,
"c": 0.07986,
"h": 231.3
},
"luminance": 0.10347
}Semantic roles & 50–950 ramp
primary
#1F617E
secondary
#B16848
accent
#7544E4
background
#F6F8FA
surface
#ECF0F3
border
#C7CBCD
text
#070C0F
muted
#7A7D7F