#1F46AE#1F46AE
#1F46AE is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.6% C 0.172 H 264.5°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).
Color values
| HEX | #1F46AE |
|---|---|
| RGB | rgb(31, 70, 174) |
| HSL | hsl(224, 70%, 40%) |
| HSV | hsv(224, 82%, 68%) |
| CMYK | cmyk(82.2%, 59.8%, 0%, 31.8%) |
| CIE-LAB | lab(33.41, 26.13, -59.22) |
| CIE-LCH | lch(33.41, 64.73, 293.81°) |
| OKLab | oklab(43.56% -0.0165 -0.1712) |
| OKLCH | oklch(43.56% 0.172 264.5) |
| XYZ | xyz(10.3925, 7.7264, 40.9798) |
| Luminance | 0.0773 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.04
Blue Blue
#2242C7
ΔE00 4.03
Sapphire
#0F52BA
ΔE00 4.44
Sapphire (survey)
#2138AB
ΔE00 4.52
Cobalt (survey)
#1E488F
ΔE00 4.86
Blue (survey)
#0343DF
ΔE00 6.40
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F46AE #AE871F
analogous
#1F8EAE #1F46AE #3F1FAE
triadic
#1F46AE #AE1F46 #46AE1F
tetradic
#1F46AE #AE1F8E #AE871F #1FAE3F
square
#1F46AE #AE1F8E #AE871F #1FAE3F
split-complementary
#1F46AE #AE3F1F #8EAE1F
monochromatic
#0C1C46 #16317A #1F46AE #305EDA #6487E3
Accessibility & contrast
On white
8.25
#1F46AE on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.55
#1F46AE on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F46AE
8.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F46AE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F46AE | 1.00 | 8.25 | 2.55 | 8.25 |
| #FFFFFF | 8.25 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.55 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.25 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0055B1
Deuteranopia (green-blind)
#0048AC
Tritanopia (blue-blind)
#006173
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #1f46ae; /* rgb */ color: rgb(31, 70, 174); /* oklch */ color: oklch(43.6% 0.172 264.5);
Tailwind
colors: {
custom: {
50: '#7479c7',
500: '#1f46ae',
950: '#000000',
},
}SCSS
$custom: #1f46ae; $custom-light: #7479c7; $custom-dark: #000000;
JSON
{
"hex": "#1f46ae",
"rgb": {
"r": 31,
"g": 70,
"b": 174
},
"hsl": {
"h": 223.636,
"s": 69.756,
"l": 40.196
},
"oklch": {
"l": 0.43555,
"c": 0.17202,
"h": 264.5
},
"luminance": 0.07728
}Semantic roles & 50–950 ramp
primary
#1F46AE
secondary
#C8AC60
accent
#BC3BED
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0913
muted
#7C7B82