#1F7BA5#1F7BA5
#1F7BA5 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.1% C 0.104 H 233.8°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).
Color values
| HEX | #1F7BA5 |
|---|---|
| RGB | rgb(31, 123, 165) |
| HSL | hsl(199, 68%, 38%) |
| HSV | hsv(199, 81%, 65%) |
| CMYK | cmyk(81.2%, 25.5%, 0%, 35.3%) |
| CIE-LAB | lab(48.48, -11.14, -29.82) |
| CIE-LCH | lch(48.48, 31.83, 249.52°) |
| OKLab | oklab(55.08% -0.0617 -0.0841) |
| OKLCH | oklch(55.08% 0.104 233.8) |
| XYZ | xyz(14.4368, 17.1720, 38.1437) |
| Luminance | 0.1717 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean
#007BA7
ΔE00 0.98
Nice Blue
#107AB0
ΔE00 2.89
Ocean Blue (survey)
#03719C
ΔE00 3.82
Sea Blue
#047495
ΔE00 4.50
Dirty Blue
#3F829D
ΔE00 5.13
Stormy Blue
#507B9C
ΔE00 5.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F7BA5 #A5491F
analogous
#1FA58C #1F7BA5 #1F38A5
triadic
#1F7BA5 #A51F7B #7BA51F
tetradic
#1F7BA5 #8C1FA5 #A5491F #38A51F
square
#1F7BA5 #8C1FA5 #A5491F #38A51F
split-complementary
#1F7BA5 #A51F38 #A58C1F
monochromatic
#0C2E3E #155571 #1F7BA5 #2AA1D7 #5EB8E1
Accessibility & contrast
On white
4.74
#1F7BA5 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.43
#1F7BA5 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1F7BA5
4.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F7BA5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F7BA5 | 1.00 | 4.74 | 4.43 | 4.74 |
| #FFFFFF | 4.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#667AA7
Deuteranopia (green-blind)
#546EA4
Tritanopia (blue-blind)
#008689
Achromatopsia (no color)
#737373
Design tokens & code
CSS
--color: #1f7ba5; /* rgb */ color: rgb(31, 123, 165); /* oklch */ color: oklch(55.1% 0.104 233.8);
Tailwind
colors: {
custom: {
50: '#72a1c0',
500: '#1f7ba5',
950: '#000000',
},
}SCSS
$custom: #1f7ba5; $custom-light: #72a1c0; $custom-dark: #000000;
JSON
{
"hex": "#1f7ba5",
"rgb": {
"r": 31,
"g": 123,
"b": 165
},
"hsl": {
"h": 198.806,
"s": 68.367,
"l": 38.431
},
"oklch": {
"l": 0.55078,
"c": 0.10433,
"h": 233.8
},
"luminance": 0.17174
}Semantic roles & 50–950 ramp
primary
#1F7BA5
secondary
#C57C5B
accent
#733DEB
background
#F7F9FB
surface
#EDF2F7
border
#C8CCD0
text
#090E12
muted
#7B7E81