#1F5EA9#1F5EA9
#1F5EA9 is a mid, vivid cyan. Relative luminance 0.112; OKLCH L 48.4% C 0.136 H 255.3°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).
Color values
| HEX | #1F5EA9 |
|---|---|
| RGB | rgb(31, 94, 169) |
| HSL | hsl(213, 69%, 39%) |
| HSV | hsv(213, 82%, 66%) |
| CMYK | cmyk(81.7%, 44.4%, 0%, 33.7%) |
| CIE-LAB | lab(39.85, 8.19, -45.82) |
| CIE-LCH | lch(39.85, 46.55, 280.13°) |
| OKLab | oklab(48.36% -0.0344 -0.1314) |
| OKLCH | oklch(48.36% 0.136 255.3) |
| XYZ | xyz(11.7265, 11.1599, 39.0644) |
| Luminance | 0.1116 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Denim
#1560BD
ΔE00 2.33
Light Navy Blue
#2E5A88
ΔE00 3.94
Denim (survey)
#3B638C
ΔE00 4.14
Mid Blue
#276AB3
ΔE00 4.29
Denim Blue
#3B5B92
ΔE00 4.32
Dusk Blue
#26538D
ΔE00 4.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F5EA9 #A96A1F
analogous
#1FA3A9 #1F5EA9 #251FA9
triadic
#1F5EA9 #A91F5E #5EA91F
tetradic
#1F5EA9 #A91FA3 #A96A1F #1FA925
square
#1F5EA9 #A91FA3 #A96A1F #1FA925
split-complementary
#1F5EA9 #A9251F #A3A91F
monochromatic
#0C2442 #164175 #1F5EA9 #2D7BD8 #609CE2
Accessibility & contrast
On white
6.50
#1F5EA9 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.23
#1F5EA9 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1F5EA9
6.50:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F5EA9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F5EA9 | 1.00 | 6.50 | 3.23 | 6.50 |
| #FFFFFF | 6.50 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.23 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.50 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3765AC
Deuteranopia (green-blind)
#1B58A8
Tritanopia (blue-blind)
#00707B
Achromatopsia (no color)
#5E5E5E
Design tokens & code
CSS
--color: #1f5ea9; /* rgb */ color: rgb(31, 94, 169); /* oklch */ color: oklch(48.4% 0.136 255.3);
Tailwind
colors: {
custom: {
50: '#728bc3',
500: '#1f5ea9',
950: '#000000',
},
}SCSS
$custom: #1f5ea9; $custom-light: #728bc3; $custom-dark: #000000;
JSON
{
"hex": "#1f5ea9",
"rgb": {
"r": 31,
"g": 94,
"b": 169
},
"hsl": {
"h": 212.609,
"s": 69,
"l": 39.216
},
"oklch": {
"l": 0.48355,
"c": 0.13581,
"h": 255.3
},
"luminance": 0.11161
}Semantic roles & 50–950 ramp
primary
#1F5EA9
secondary
#C7965D
accent
#9C3CEC
background
#F7F8FC
surface
#EDF0F8
border
#C8CBD1
text
#090B12
muted
#7B7C81