#1F2AA8#1F2AA8
#1F2AA8 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.0% C 0.196 H 269.2°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).
Color values
| HEX | #1F2AA8 |
|---|---|
| RGB | rgb(31, 42, 168) |
| HSL | hsl(235, 69%, 39%) |
| HSV | hsv(235, 82%, 66%) |
| CMYK | cmyk(81.5%, 75%, 0%, 34.1%) |
| CIE-LAB | lab(26.08, 41.86, -67.66) |
| CIE-LCH | lch(26.08, 79.56, 301.74°) |
| OKLab | oklab(38.02% -0.0028 -0.196) |
| OKLCH | oklch(38.02% 0.196 269.2) |
| XYZ | xyz(8.4585, 4.7734, 37.5138) |
| Luminance | 0.0477 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 3.84
Indigo Blue
#3A18B1
ΔE00 4.69
Royal
#0C1793
ΔE00 5.18
Cobalt Blue
#030AA7
ΔE00 5.76
True Blue
#010FCC
ΔE00 5.83
Royal Blue (survey)
#0504AA
ΔE00 6.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F2AA8 #A89D1F
analogous
#1F6FA8 #1F2AA8 #581FA8
triadic
#1F2AA8 #A81F2A #2AA81F
tetradic
#1F2AA8 #A81F6F #A89D1F #1FA858
square
#1F2AA8 #A81F6F #A89D1F #1FA858
split-complementary
#1F2AA8 #A8581F #6FA81F
monochromatic
#0C1041 #151D74 #1F2AA8 #2C3AD8 #606AE2
Accessibility & contrast
On white
10.74
#1F2AA8 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.95
#1F2AA8 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F2AA8
10.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F2AA8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F2AA8 | 1.00 | 10.74 | 1.95 | 10.74 |
| #FFFFFF | 10.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.95 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0044AC
Deuteranopia (green-blind)
#0037A6
Tritanopia (blue-blind)
#004F67
Achromatopsia (no color)
#3E3E3E
Design tokens & code
CSS
--color: #1f2aa8; /* rgb */ color: rgb(31, 42, 168); /* oklch */ color: oklch(38.0% 0.196 269.2);
Tailwind
colors: {
custom: {
50: '#7565c3',
500: '#1f2aa8',
950: '#000000',
},
}SCSS
$custom: #1f2aa8; $custom-light: #7565c3; $custom-dark: #000000;
JSON
{
"hex": "#1f2aa8",
"rgb": {
"r": 31,
"g": 42,
"b": 168
},
"hsl": {
"h": 235.182,
"s": 68.844,
"l": 39.02
},
"oklch": {
"l": 0.38023,
"c": 0.19605,
"h": 269.2
},
"luminance": 0.04774
}Semantic roles & 50–950 ramp
primary
#1F2AA8
secondary
#C6BE5D
accent
#DE3CEC
background
#F7F6FC
surface
#EEEBF8
border
#C9C6D1
text
#0A0613
muted
#7C7A82