#1F5FA8#1F5FA8
#1F5FA8 is a mid, vivid cyan. Relative luminance 0.113; OKLCH L 48.5% C 0.133 H 254.6°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).
Color values
| HEX | #1F5FA8 |
|---|---|
| RGB | rgb(31, 95, 168) |
| HSL | hsl(212, 69%, 39%) |
| HSV | hsv(212, 82%, 66%) |
| CMYK | cmyk(81.5%, 43.5%, 0%, 34.1%) |
| CIE-LAB | lab(40.08, 7.14, -44.85) |
| CIE-LCH | lch(40.08, 45.42, 279.05°) |
| OKLab | oklab(48.52% -0.0354 -0.1285) |
| OKLCH | oklch(48.52% 0.133 254.6) |
| XYZ | xyz(11.7225, 11.3015, 38.6018) |
| Luminance | 0.1130 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Denim
#1560BD
ΔE00 2.42
Light Navy Blue
#2E5A88
ΔE00 3.96
Mid Blue
#276AB3
ΔE00 3.96
Denim (survey)
#3B638C
ΔE00 3.97
Denim Blue
#3B5B92
ΔE00 4.50
Dusk Blue
#26538D
ΔE00 4.99
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F5FA8 #A8681F
analogous
#1FA4A8 #1F5FA8 #241FA8
triadic
#1F5FA8 #A81F5F #5FA81F
tetradic
#1F5FA8 #A81FA4 #A8681F #1FA824
square
#1F5FA8 #A81FA4 #A8681F #1FA824
split-complementary
#1F5FA8 #A8241F #A4A81F
monochromatic
#0C2541 #154274 #1F5FA8 #2C7CD8 #609CE2
Accessibility & contrast
On white
6.44
#1F5FA8 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.26
#1F5FA8 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1F5FA8
6.44:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F5FA8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F5FA8 | 1.00 | 6.44 | 3.26 | 6.44 |
| #FFFFFF | 6.44 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.26 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.44 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3A65AB
Deuteranopia (green-blind)
#2059A7
Tritanopia (blue-blind)
#00707B
Achromatopsia (no color)
#5E5E5E
Design tokens & code
CSS
--color: #1f5fa8; /* rgb */ color: rgb(31, 95, 168); /* oklch */ color: oklch(48.5% 0.133 254.6);
Tailwind
colors: {
custom: {
50: '#718bc2',
500: '#1f5fa8',
950: '#000000',
},
}SCSS
$custom: #1f5fa8; $custom-light: #718bc2; $custom-dark: #000000;
JSON
{
"hex": "#1f5fa8",
"rgb": {
"r": 31,
"g": 95,
"b": 168
},
"hsl": {
"h": 211.971,
"s": 68.844,
"l": 39.02
},
"oklch": {
"l": 0.48517,
"c": 0.13331,
"h": 254.6
},
"luminance": 0.11303
}Semantic roles & 50–950 ramp
primary
#1F5FA8
secondary
#C6955D
accent
#9A3CEC
background
#F7F8FC
surface
#EDF0F8
border
#C8CBD1
text
#090C12
muted
#7B7D81