#1F209D#1F209D
#1F209D is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.4% C 0.192 H 270.7°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).
Color values
| HEX | #1F209D |
|---|---|
| RGB | rgb(31, 32, 157) |
| HSL | hsl(240, 67%, 37%) |
| HSV | hsv(240, 80%, 62%) |
| CMYK | cmyk(80.3%, 79.6%, 0%, 38.4%) |
| CIE-LAB | lab(22.85, 43.75, -66.31) |
| CIE-LCH | lch(22.85, 79.44, 303.41°) |
| OKLab | oklab(35.38% 0.0023 -0.192) |
| OKLCH | oklch(35.38% 0.192 270.7) |
| XYZ | xyz(7.1653, 3.7578, 32.2394) |
| Luminance | 0.0376 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 2.56
Cobalt Blue
#030AA7
ΔE00 3.69
Indigo Blue
#3A18B1
ΔE00 4.19
Royal Blue (survey)
#0504AA
ΔE00 4.25
Ultramarine
#2000B1
ΔE00 4.69
True Blue
#010FCC
ΔE00 6.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F209D #9D9C1F
analogous
#1F5F9D #1F209D #5D1F9D
triadic
#1F209D #9D1F20 #209D1F
tetradic
#1F209D #9D1F5F #9D9C1F #1F9D5D
square
#1F209D #9D1F5F #9D9C1F #1F9D5D
split-complementary
#1F209D #9D5D1F #5F9D1F
monochromatic
#0B0B37 #15166A #1F209D #292AD0 #5859DE
Accessibility & contrast
On white
11.99
#1F209D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.75
#1F209D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F209D
11.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F209D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F209D | 1.00 | 11.99 | 1.75 | 11.99 |
| #FFFFFF | 11.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003DA0
Deuteranopia (green-blind)
#00309B
Tritanopia (blue-blind)
#00475E
Achromatopsia (no color)
#373737
Design tokens & code
CSS
--color: #1f209d; /* rgb */ color: rgb(31, 32, 157); /* oklch */ color: oklch(35.4% 0.192 270.7);
Tailwind
colors: {
custom: {
50: '#735ebb',
500: '#1f209d',
950: '#000000',
},
}SCSS
$custom: #1f209d; $custom-light: #735ebb; $custom-dark: #000000;
JSON
{
"hex": "#1f209d",
"rgb": {
"r": 31,
"g": 32,
"b": 157
},
"hsl": {
"h": 239.524,
"s": 67.021,
"l": 36.863
},
"oklch": {
"l": 0.35378,
"c": 0.19202,
"h": 270.7
},
"luminance": 0.03759
}Semantic roles & 50–950 ramp
primary
#1F209D
secondary
#C2C156
accent
#E93EEA
background
#F7F5FB
surface
#EEE9F6
border
#C9C5D0
text
#0A0412
muted
#7C7981