#1F7597#1F7597
#1F7597 is a mid, moderate cyan. Relative luminance 0.152; OKLCH L 52.9% C 0.094 H 229.6°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).
Color values
| HEX | #1F7597 |
|---|---|
| RGB | rgb(31, 117, 151) |
| HSL | hsl(197, 66%, 36%) |
| HSV | hsv(197, 79%, 59%) |
| CMYK | cmyk(79.5%, 22.5%, 0%, 40.8%) |
| CIE-LAB | lab(45.97, -12.78, -25.51) |
| CIE-LCH | lch(45.97, 28.53, 243.40°) |
| OKLab | oklab(52.87% -0.061 -0.0717) |
| OKLCH | oklch(52.87% 0.094 229.6) |
| XYZ | xyz(12.5100, 15.2467, 31.5557) |
| Luminance | 0.1525 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Sea Blue
#047495
ΔE00 1.53
Ocean Blue (survey)
#03719C
ΔE00 2.94
Cerulean
#007BA7
ΔE00 3.27
Nice Blue
#107AB0
ΔE00 5.60
Ocean
#017B92
ΔE00 5.63
Dirty Blue
#3F829D
ΔE00 5.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F7597 #97411F
analogous
#1F977D #1F7597 #1F3997
triadic
#1F7597 #971F75 #75971F
tetradic
#1F7597 #7D1F97 #97411F #39971F
square
#1F7597 #7D1F97 #97411F #39971F
split-complementary
#1F7597 #971F39 #977D1F
monochromatic
#0A2631 #154E64 #1F7597 #299CCA #54B6DC
Accessibility & contrast
On white
5.19
#1F7597 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.05
#1F7597 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1F7597
5.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F7597 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F7597 | 1.00 | 5.19 | 4.05 | 5.19 |
| #FFFFFF | 5.19 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.05 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.19 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#637399
Deuteranopia (green-blind)
#546897
Tritanopia (blue-blind)
#007E80
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #1f7597; /* rgb */ color: rgb(31, 117, 151); /* oklch */ color: oklch(52.9% 0.094 229.6);
Tailwind
colors: {
custom: {
50: '#6f9cb5',
500: '#1f7597',
950: '#000000',
},
}SCSS
$custom: #1f7597; $custom-light: #6f9cb5; $custom-dark: #000000;
JSON
{
"hex": "#1f7597",
"rgb": {
"r": 31,
"g": 117,
"b": 151
},
"hsl": {
"h": 197,
"s": 65.934,
"l": 35.686
},
"oklch": {
"l": 0.52871,
"c": 0.09415,
"h": 229.6
},
"luminance": 0.15248
}Semantic roles & 50–950 ramp
primary
#1F7597
secondary
#BF7152
accent
#6F3FE9
background
#F7F9FB
surface
#EDF2F6
border
#C8CCD0
text
#080E11
muted
#7B7E80