#1F659C#1F659C
#1F659C is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 49.2% C 0.111 H 246.8°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).
Color values
| HEX | #1F659C |
|---|---|
| RGB | rgb(31, 101, 156) |
| HSL | hsl(206, 67%, 37%) |
| HSV | hsv(206, 80%, 61%) |
| CMYK | cmyk(80.1%, 35.3%, 0%, 38.8%) |
| CIE-LAB | lab(41.21, -1.35, -35.93) |
| CIE-LCH | lch(41.21, 35.96, 267.85°) |
| OKLab | oklab(49.18% -0.0438 -0.1022) |
| OKLCH | oklch(49.18% 0.111 246.8) |
| XYZ | xyz(11.2172, 11.9976, 33.1706) |
| Luminance | 0.1200 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ugly Blue
#31668A
ΔE00 3.52
Denim (survey)
#3B638C
ΔE00 3.61
Mid Blue
#276AB3
ΔE00 3.70
Peacock Blue
#016795
ΔE00 3.78
Muted Blue
#3B719F
ΔE00 4.66
Light Navy Blue
#2E5A88
ΔE00 4.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F659C #9C561F
analogous
#1F9C95 #1F659C #1F279C
triadic
#1F659C #9C1F65 #659C1F
tetradic
#1F659C #951F9C #9C561F #279C1F
square
#1F659C #951F9C #9C561F #279C1F
split-complementary
#1F659C #9C1F27 #9C951F
monochromatic
#0B2336 #154469 #1F659C #2986CF #58A3DE
Accessibility & contrast
On white
6.18
#1F659C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.40
#1F659C on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1F659C
6.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F659C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F659C | 1.00 | 6.18 | 3.40 | 6.18 |
| #FFFFFF | 6.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4B679E
Deuteranopia (green-blind)
#395C9B
Tritanopia (blue-blind)
#007279
Achromatopsia (no color)
#616161
Design tokens & code
CSS
--color: #1f659c; /* rgb */ color: rgb(31, 101, 156); /* oklch */ color: oklch(49.2% 0.111 246.8);
Tailwind
colors: {
custom: {
50: '#6f90b9',
500: '#1f659c',
950: '#000000',
},
}SCSS
$custom: #1f659c; $custom-light: #6f90b9; $custom-dark: #000000;
JSON
{
"hex": "#1f659c",
"rgb": {
"r": 31,
"g": 101,
"b": 156
},
"hsl": {
"h": 206.4,
"s": 66.845,
"l": 36.667
},
"oklch": {
"l": 0.49175,
"c": 0.11121,
"h": 246.8
},
"luminance": 0.11999
}Semantic roles & 50–950 ramp
primary
#1F659C
secondary
#C18555
accent
#8A3EEA
background
#F7F8FB
surface
#EDF0F6
border
#C8CBD0
text
#080C11
muted
#7B7D80