#1F49AE#1F49AE
#1F49AE is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.2% C 0.168 H 263.8°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).
Color values
| HEX | #1F49AE |
|---|---|
| RGB | rgb(31, 73, 174) |
| HSL | hsl(222, 70%, 40%) |
| HSV | hsv(222, 82%, 68%) |
| CMYK | cmyk(82.2%, 58%, 0%, 31.8%) |
| CIE-LAB | lab(34.21, 24.12, -57.90) |
| CIE-LCH | lch(34.21, 62.72, 292.62°) |
| OKLab | oklab(44.16% -0.0183 -0.1673) |
| OKLCH | oklch(44.16% 0.168 263.8) |
| XYZ | xyz(10.5849, 8.1111, 41.0439) |
| Luminance | 0.0811 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 1.69
Sapphire
#0F52BA
ΔE00 3.49
Cobalt (survey)
#1E488F
ΔE00 4.50
Blue Blue
#2242C7
ΔE00 4.61
Sapphire (survey)
#2138AB
ΔE00 5.55
Dusk Blue
#26538D
ΔE00 6.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F49AE #AE841F
analogous
#1F90AE #1F49AE #3D1FAE
triadic
#1F49AE #AE1F49 #49AE1F
tetradic
#1F49AE #AE1F90 #AE841F #1FAE3D
square
#1F49AE #AE1F90 #AE841F #1FAE3D
split-complementary
#1F49AE #AE3D1F #90AE1F
monochromatic
#0C1D46 #16337A #1F49AE #3062DA #6489E3
Accessibility & contrast
On white
8.01
#1F49AE on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.62
#1F49AE on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F49AE
8.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F49AE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F49AE | 1.00 | 8.01 | 2.62 | 8.01 |
| #FFFFFF | 8.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057B1
Deuteranopia (green-blind)
#004AAC
Tritanopia (blue-blind)
#006274
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #1f49ae; /* rgb */ color: rgb(31, 73, 174); /* oklch */ color: oklch(44.2% 0.168 263.8);
Tailwind
colors: {
custom: {
50: '#747bc7',
500: '#1f49ae',
950: '#000000',
},
}SCSS
$custom: #1f49ae; $custom-light: #747bc7; $custom-dark: #000000;
JSON
{
"hex": "#1f49ae",
"rgb": {
"r": 31,
"g": 73,
"b": 174
},
"hsl": {
"h": 222.378,
"s": 69.756,
"l": 40.196
},
"oklch": {
"l": 0.4416,
"c": 0.16832,
"h": 263.8
},
"luminance": 0.08112
}Semantic roles & 50–950 ramp
primary
#1F49AE
secondary
#C8AA60
accent
#B83BED
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0913
muted
#7C7B82