#1F617A#1F617A
#1F617A is a mid, moderate cyan. Relative luminance 0.102; OKLCH L 46.3% C 0.076 H 227.4°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).
Color values
| HEX | #1F617A |
|---|---|
| RGB | rgb(31, 97, 122) |
| HSL | hsl(196, 59%, 30%) |
| HSV | hsv(196, 75%, 48%) |
| CMYK | cmyk(74.6%, 20.5%, 0%, 52.2%) |
| CIE-LAB | lab(38.28, -11.68, -20.00) |
| CIE-LCH | lch(38.28, 23.16, 239.73°) |
| OKLab | oklab(46.3% -0.0515 -0.0561) |
| OKLCH | oklch(46.3% 0.076 227.4) |
| XYZ | xyz(8.3512, 10.2449, 19.9459) |
| Luminance | 0.1025 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ugly Blue
#31668A
ΔE00 5.83
Peacock Blue
#016795
ΔE00 6.46
Sea Blue
#047495
ΔE00 6.92
Ocean Blue (survey)
#03719C
ΔE00 7.42
Petrol
#005F6A
ΔE00 7.53
Deep Sea Blue
#015482
ΔE00 8.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F617A #7A381F
analogous
#1F7A66 #1F617A #1F337A
triadic
#1F617A #7A1F61 #617A1F
tetradic
#1F617A #661F7A #7A381F #337A1F
square
#1F617A #661F7A #7A381F #337A1F
split-complementary
#1F617A #7A1F33 #7A661F
monochromatic
#061318 #133A49 #1F617A #2B88AB #44A9CF
Accessibility & contrast
On white
6.89
#1F617A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.05
#1F617A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1F617A
6.89:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F617A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F617A | 1.00 | 6.89 | 3.05 | 6.89 |
| #FFFFFF | 6.89 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.05 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.89 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#545F7B
Deuteranopia (green-blind)
#47567A
Tritanopia (blue-blind)
#006869
Achromatopsia (no color)
#5A5A5A
Design tokens & code
CSS
--color: #1f617a; /* rgb */ color: rgb(31, 97, 122); /* oklch */ color: oklch(46.3% 0.076 227.4);
Tailwind
colors: {
custom: {
50: '#688ea0',
500: '#1f617a',
950: '#000000',
},
}SCSS
$custom: #1f617a; $custom-light: #688ea0; $custom-dark: #000000;
JSON
{
"hex": "#1f617a",
"rgb": {
"r": 31,
"g": 97,
"b": 122
},
"hsl": {
"h": 196.484,
"s": 59.477,
"l": 30
},
"oklch": {
"l": 0.46301,
"c": 0.07617,
"h": 227.4
},
"luminance": 0.10246
}Semantic roles & 50–950 ramp
primary
#1F617A
secondary
#AD6347
accent
#7045E3
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#070C0E
muted
#7A7D7E