#1F7587#1F7587
#1F7587 is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.1% C 0.083 H 215.2°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).
Color values
| HEX | #1F7587 |
|---|---|
| RGB | rgb(31, 117, 135) |
| HSL | hsl(190, 63%, 33%) |
| HSV | hsv(190, 77%, 53%) |
| CMYK | cmyk(77%, 13.3%, 0%, 47.1%) |
| CIE-LAB | lab(45.31, -18.41, -17.05) |
| CIE-LCH | lch(45.31, 25.09, 222.80°) |
| OKLab | oklab(52.12% -0.0674 -0.0475) |
| OKLCH | oklch(52.12% 0.083 215.2) |
| XYZ | xyz(11.2977, 14.7618, 25.1709) |
| Luminance | 0.1476 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ocean
#017B92
ΔE00 2.65
Sea Blue
#047495
ΔE00 5.33
Deep Aqua
#08787F
ΔE00 5.55
Teal Blue
#01889F
ΔE00 7.08
Dirty Blue
#3F829D
ΔE00 7.40
Deep Turquoise
#017374
ΔE00 8.17
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F7587 #87311F
analogous
#1F8765 #1F7587 #1F4187
triadic
#1F7587 #871F75 #75871F
tetradic
#1F7587 #651F87 #87311F #41871F
square
#1F7587 #651F87 #87311F #41871F
split-complementary
#1F7587 #871F41 #87651F
monochromatic
#081F23 #144A55 #1F7587 #2AA0B9 #4BBED6
Accessibility & contrast
On white
5.31
#1F7587 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.95
#1F7587 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1F7587
5.31:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F7587 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F7587 | 1.00 | 5.31 | 3.95 | 5.31 |
| #FFFFFF | 5.31 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.95 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.31 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#687188
Deuteranopia (green-blind)
#5A6787
Tritanopia (blue-blind)
#007C7B
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #1f7587; /* rgb */ color: rgb(31, 117, 135); /* oklch */ color: oklch(52.1% 0.083 215.2);
Tailwind
colors: {
custom: {
50: '#6c9daa',
500: '#1f7587',
950: '#000000',
},
}SCSS
$custom: #1f7587; $custom-light: #6c9daa; $custom-dark: #000000;
JSON
{
"hex": "#1f7587",
"rgb": {
"r": 31,
"g": 117,
"b": 135
},
"hsl": {
"h": 190.385,
"s": 62.651,
"l": 32.549
},
"oklch": {
"l": 0.52119,
"c": 0.08252,
"h": 215.2
},
"luminance": 0.14763
}Semantic roles & 50–950 ramp
primary
#1F7587
secondary
#B85D4A
accent
#5E42E6
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080E10
muted
#7B7E7F