#1F4FC2#1F4FC2
#1F4FC2 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.1% C 0.188 H 263.6°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).
Color values
| HEX | #1F4FC2 |
|---|---|
| RGB | rgb(31, 79, 194) |
| HSL | hsl(222, 72%, 44%) |
| HSV | hsv(222, 84%, 76%) |
| CMYK | cmyk(84%, 59.3%, 0%, 23.9%) |
| CIE-LAB | lab(37.44, 27.90, -64.42) |
| CIE-LCH | lch(37.44, 70.20, 293.42°) |
| OKLab | oklab(47.09% -0.0209 -0.1864) |
| OKLCH | oklch(47.09% 0.188 263.6) |
| XYZ | xyz(13.0952, 9.7767, 52.2254) |
| Luminance | 0.0978 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 2.36
Cobalt
#0047AB
ΔE00 4.20
Blue Blue
#2242C7
ΔE00 4.39
Blue (survey)
#0343DF
ΔE00 5.19
Warm Blue
#4B57DB
ΔE00 6.40
Denim
#1560BD
ΔE00 6.63
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F4FC2 #C2921F
analogous
#1FA1C2 #1F4FC2 #411FC2
triadic
#1F4FC2 #C21F4F #4FC21F
tetradic
#1F4FC2 #C21FA1 #C2921F #1FC241
square
#1F4FC2 #C21FA1 #C2921F #1FC241
split-complementary
#1F4FC2 #C2411F #A1C21F
monochromatic
#0E2458 #173A8D #1F4FC2 #3E6EE0 #7395E9
Accessibility & contrast
On white
7.11
#1F4FC2 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.96
#1F4FC2 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F4FC2
7.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F4FC2 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F4FC2 | 1.00 | 7.11 | 2.96 | 7.11 |
| #FFFFFF | 7.11 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.96 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.11 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0060C6
Deuteranopia (green-blind)
#0051C0
Tritanopia (blue-blind)
#006C81
Achromatopsia (no color)
#585858
Design tokens & code
CSS
--color: #1f4fc2; /* rgb */ color: rgb(31, 79, 194); /* oklch */ color: oklch(47.1% 0.188 263.6);
Tailwind
colors: {
custom: {
50: '#797fd5',
500: '#1f4fc2',
950: '#000000',
},
}SCSS
$custom: #1f4fc2; $custom-light: #797fd5; $custom-dark: #000000;
JSON
{
"hex": "#1f4fc2",
"rgb": {
"r": 31,
"g": 79,
"b": 194
},
"hsl": {
"h": 222.331,
"s": 72.444,
"l": 44.118
},
"oklch": {
"l": 0.47086,
"c": 0.18753,
"h": 263.6
},
"luminance": 0.09778
}Semantic roles & 50–950 ramp
primary
#1F4FC2
secondary
#CFB36D
accent
#B939EF
background
#F8F7FD
surface
#EFEEFA
border
#CAC9D3
text
#0B0A14
muted
#7C7C83