#1F49AD#1F49AD
#1F49AD is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.1% C 0.167 H 263.7°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).
Color values
| HEX | #1F49AD |
|---|---|
| RGB | rgb(31, 73, 173) |
| HSL | hsl(222, 70%, 40%) |
| HSV | hsv(222, 82%, 68%) |
| CMYK | cmyk(82.1%, 57.8%, 0%, 32.2%) |
| CIE-LAB | lab(34.13, 23.73, -57.44) |
| CIE-LCH | lch(34.13, 62.14, 292.45°) |
| OKLab | oklab(44.08% -0.0184 -0.166) |
| OKLCH | oklch(44.08% 0.167 263.7) |
| XYZ | xyz(10.4877, 8.0723, 40.5324) |
| Luminance | 0.0807 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 1.61
Sapphire
#0F52BA
ΔE00 3.52
Cobalt (survey)
#1E488F
ΔE00 4.35
Blue Blue
#2242C7
ΔE00 4.75
Sapphire (survey)
#2138AB
ΔE00 5.59
Dusk Blue
#26538D
ΔE00 6.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F49AD #AD831F
analogous
#1F90AD #1F49AD #3C1FAD
triadic
#1F49AD #AD1F49 #49AD1F
tetradic
#1F49AD #AD1F90 #AD831F #1FAD3C
square
#1F49AD #AD1F90 #AD831F #1FAD3C
split-complementary
#1F49AD #AD3C1F #90AD1F
monochromatic
#0C1D45 #163379 #1F49AD #2F62DA #6389E3
Accessibility & contrast
On white
8.03
#1F49AD on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.61
#1F49AD on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F49AD
8.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F49AD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F49AD | 1.00 | 8.03 | 2.61 | 8.03 |
| #FFFFFF | 8.03 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.61 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.03 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057B0
Deuteranopia (green-blind)
#004AAB
Tritanopia (blue-blind)
#006274
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #1f49ad; /* rgb */ color: rgb(31, 73, 173); /* oklch */ color: oklch(44.1% 0.167 263.7);
Tailwind
colors: {
custom: {
50: '#747bc6',
500: '#1f49ad',
950: '#000000',
},
}SCSS
$custom: #1f49ad; $custom-light: #747bc6; $custom-dark: #000000;
JSON
{
"hex": "#1f49ad",
"rgb": {
"r": 31,
"g": 73,
"b": 173
},
"hsl": {
"h": 222.254,
"s": 69.608,
"l": 40
},
"oklch": {
"l": 0.44075,
"c": 0.16697,
"h": 263.7
},
"luminance": 0.08074
}Semantic roles & 50–950 ramp
primary
#1F49AD
secondary
#C8A960
accent
#B83BEC
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0913
muted
#7C7B82