#1F759C#1F759C
#1F759C is a mid, moderate cyan. Relative luminance 0.154; OKLCH L 53.1% C 0.099 H 233.3°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).
Color values
| HEX | #1F759C |
|---|---|
| RGB | rgb(31, 117, 156) |
| HSL | hsl(199, 67%, 37%) |
| HSV | hsv(199, 80%, 61%) |
| CMYK | cmyk(80.1%, 25%, 0%, 38.8%) |
| CIE-LAB | lab(46.19, -10.96, -28.11) |
| CIE-LCH | lch(46.19, 30.17, 248.70°) |
| OKLab | oklab(53.12% -0.0591 -0.0792) |
| OKLCH | oklch(53.12% 0.099 233.3) |
| XYZ | xyz(12.9247, 15.4126, 33.7398) |
| Luminance | 0.1541 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ocean Blue (survey)
#03719C
ΔE00 1.86
Cerulean
#007BA7
ΔE00 2.47
Sea Blue
#047495
ΔE00 3.05
Nice Blue
#107AB0
ΔE00 3.99
Muted Blue
#3B719F
ΔE00 5.43
Peacock Blue
#016795
ΔE00 5.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F759C #9C461F
analogous
#1F9C85 #1F759C #1F379C
triadic
#1F759C #9C1F75 #759C1F
tetradic
#1F759C #851F9C #9C461F #379C1F
square
#1F759C #851F9C #9C461F #379C1F
split-complementary
#1F759C #9C1F37 #9C851F
monochromatic
#0B2836 #154F69 #1F759C #299BCF #58B4DE
Accessibility & contrast
On white
5.14
#1F759C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.08
#1F759C on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1F759C
5.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F759C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F759C | 1.00 | 5.14 | 4.08 | 5.14 |
| #FFFFFF | 5.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.08 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#62749E
Deuteranopia (green-blind)
#51689B
Tritanopia (blue-blind)
#007F82
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #1f759c; /* rgb */ color: rgb(31, 117, 156); /* oklch */ color: oklch(53.1% 0.099 233.3);
Tailwind
colors: {
custom: {
50: '#709cb9',
500: '#1f759c',
950: '#000000',
},
}SCSS
$custom: #1f759c; $custom-light: #709cb9; $custom-dark: #000000;
JSON
{
"hex": "#1f759c",
"rgb": {
"r": 31,
"g": 117,
"b": 156
},
"hsl": {
"h": 198.72,
"s": 66.845,
"l": 36.667
},
"oklch": {
"l": 0.53124,
"c": 0.09887,
"h": 233.3
},
"luminance": 0.15414
}Semantic roles & 50–950 ramp
primary
#1F759C
secondary
#C17755
accent
#743EEA
background
#F7F9FB
surface
#EDF2F6
border
#C8CCD0
text
#090E11
muted
#7B7E80