#1F689A#1F689A
#1F689A is a mid, moderate cyan. Relative luminance 0.125; OKLCH L 49.8% C 0.106 H 243.5°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #1F689A |
|---|---|
| RGB | rgb(31, 104, 154) |
| HSL | hsl(204, 66%, 36%) |
| HSV | hsv(204, 80%, 60%) |
| CMYK | cmyk(79.9%, 32.5%, 0%, 39.6%) |
| CIE-LAB | lab(42.04, -3.97, -33.44) |
| CIE-LCH | lch(42.04, 33.67, 263.23°) |
| OKLab | oklab(49.79% -0.0472 -0.0949) |
| OKLCH | oklch(49.79% 0.106 243.5) |
| XYZ | xyz(11.3459, 12.5237, 32.3849) |
| Luminance | 0.1253 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Peacock Blue
#016795
ΔE00 2.50
Ugly Blue
#31668A
ΔE00 2.86
Muted Blue
#3B719F
ΔE00 3.98
Denim (survey)
#3B638C
ΔE00 4.31
Mid Blue
#276AB3
ΔE00 4.34
Ocean Blue (survey)
#03719C
ΔE00 4.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F689A #9A511F
analogous
#1F9A8F #1F689A #1F2B9A
triadic
#1F689A #9A1F68 #689A1F
tetradic
#1F689A #8F1F9A #9A511F #2B9A1F
square
#1F689A #8F1F9A #9A511F #2B9A1F
split-complementary
#1F689A #9A1F2B #9A8F1F
monochromatic
#0A2334 #154667 #1F689A #298ACD #56A6DD
Accessibility & contrast
On white
5.99
#1F689A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.51
#1F689A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1F689A
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F689A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F689A | 1.00 | 5.99 | 3.51 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#51699C
Deuteranopia (green-blind)
#405E99
Tritanopia (blue-blind)
#00747A
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #1f689a; /* rgb */ color: rgb(31, 104, 154); /* oklch */ color: oklch(49.8% 0.106 243.5);
Tailwind
colors: {
custom: {
50: '#6e92b8',
500: '#1f689a',
950: '#000000',
},
}SCSS
$custom: #1f689a; $custom-light: #6e92b8; $custom-dark: #000000;
JSON
{
"hex": "#1f689a",
"rgb": {
"r": 31,
"g": 104,
"b": 154
},
"hsl": {
"h": 204.39,
"s": 66.486,
"l": 36.275
},
"oklch": {
"l": 0.49791,
"c": 0.10601,
"h": 243.5
},
"luminance": 0.12525
}Semantic roles & 50–950 ramp
primary
#1F689A
secondary
#C18054
accent
#843EE9
background
#F7F8FB
surface
#EDF0F6
border
#C8CBD0
text
#080D11
muted
#7B7D80