#1F46B2#1F46B2
#1F46B2 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.9% C 0.177 H 264.7°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).
Color values
| HEX | #1F46B2 |
|---|---|
| RGB | rgb(31, 70, 178) |
| HSL | hsl(224, 70%, 41%) |
| HSV | hsv(224, 83%, 70%) |
| CMYK | cmyk(82.6%, 60.7%, 0%, 30.2%) |
| CIE-LAB | lab(33.74, 27.69, -61.05) |
| CIE-LCH | lch(33.74, 67.03, 294.40°) |
| OKLab | oklab(43.91% -0.0163 -0.1766) |
| OKLCH | oklch(43.91% 0.177 264.7) |
| XYZ | xyz(10.7883, 7.8847, 43.0641) |
| Luminance | 0.0789 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.41
Blue Blue
#2242C7
ΔE00 3.48
Sapphire
#0F52BA
ΔE00 4.42
Sapphire (survey)
#2138AB
ΔE00 4.45
Cobalt (survey)
#1E488F
ΔE00 5.41
Blue (survey)
#0343DF
ΔE00 5.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F46B2 #B28B1F
analogous
#1F8FB2 #1F46B2 #421FB2
triadic
#1F46B2 #B21F46 #46B21F
tetradic
#1F46B2 #B21F8F #B28B1F #1FB242
square
#1F46B2 #B21F8F #B28B1F #1FB242
split-complementary
#1F46B2 #B2421F #8FB21F
monochromatic
#0D1D4A #16327E #1F46B2 #3360DB #6788E5
Accessibility & contrast
On white
8.15
#1F46B2 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.58
#1F46B2 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F46B2
8.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F46B2 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F46B2 | 1.00 | 8.15 | 2.58 | 8.15 |
| #FFFFFF | 8.15 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.58 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.15 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0056B6
Deuteranopia (green-blind)
#0049B0
Tritanopia (blue-blind)
#006275
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #1f46b2; /* rgb */ color: rgb(31, 70, 178); /* oklch */ color: oklch(43.9% 0.177 264.7);
Tailwind
colors: {
custom: {
50: '#7579ca',
500: '#1f46b2',
950: '#000000',
},
}SCSS
$custom: #1f46b2; $custom-light: #7579ca; $custom-dark: #000000;
JSON
{
"hex": "#1f46b2",
"rgb": {
"r": 31,
"g": 70,
"b": 178
},
"hsl": {
"h": 224.082,
"s": 70.335,
"l": 40.98
},
"oklch": {
"l": 0.4391,
"c": 0.17736,
"h": 264.7
},
"luminance": 0.07886
}Semantic roles & 50–950 ramp
primary
#1F46B2
secondary
#CAAF63
accent
#BE3BED
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0913
muted
#7C7B82