#1F7588#1F7588
#1F7588 is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.2% C 0.083 H 216.2°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).
Color values
| HEX | #1F7588 |
|---|---|
| RGB | rgb(31, 117, 136) |
| HSL | hsl(191, 63%, 33%) |
| HSV | hsv(191, 77%, 53%) |
| CMYK | cmyk(77.2%, 14%, 0%, 46.7%) |
| CIE-LAB | lab(45.35, -18.07, -17.58) |
| CIE-LCH | lch(45.35, 25.21, 224.22°) |
| OKLab | oklab(52.16% -0.067 -0.0491) |
| OKLCH | oklch(52.16% 0.083 216.2) |
| XYZ | xyz(11.3684, 14.7901, 25.5434) |
| Luminance | 0.1479 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ocean
#017B92
ΔE00 2.50
Sea Blue
#047495
ΔE00 4.92
Deep Aqua
#08787F
ΔE00 5.95
Teal Blue
#01889F
ΔE00 7.04
Dirty Blue
#3F829D
ΔE00 7.13
Ocean Blue (survey)
#03719C
ΔE00 8.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F7588 #88321F
analogous
#1F8866 #1F7588 #1F4188
triadic
#1F7588 #881F75 #75881F
tetradic
#1F7588 #661F88 #88321F #41881F
square
#1F7588 #661F88 #88321F #41881F
split-complementary
#1F7588 #881F41 #88661F
monochromatic
#081F24 #144A56 #1F7588 #2AA0BA #4BBDD6
Accessibility & contrast
On white
5.31
#1F7588 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.96
#1F7588 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1F7588
5.31:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F7588 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F7588 | 1.00 | 5.31 | 3.96 | 5.31 |
| #FFFFFF | 5.31 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.96 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.31 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#687189
Deuteranopia (green-blind)
#5A6788
Tritanopia (blue-blind)
#007C7B
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #1f7588; /* rgb */ color: rgb(31, 117, 136); /* oklch */ color: oklch(52.2% 0.083 216.2);
Tailwind
colors: {
custom: {
50: '#6c9daa',
500: '#1f7588',
950: '#000000',
},
}SCSS
$custom: #1f7588; $custom-light: #6c9daa; $custom-dark: #000000;
JSON
{
"hex": "#1f7588",
"rgb": {
"r": 31,
"g": 117,
"b": 136
},
"hsl": {
"h": 190.857,
"s": 62.874,
"l": 32.745
},
"oklch": {
"l": 0.52163,
"c": 0.08306,
"h": 216.2
},
"luminance": 0.14791
}Semantic roles & 50–950 ramp
primary
#1F7588
secondary
#B95E4A
accent
#6042E6
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080E10
muted
#7B7E7F