#1A1FA0#1A1FA0
#1A1FA0 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.4% C 0.198 H 269.1°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).
Color values
| HEX | #1A1FA0 |
|---|---|
| RGB | rgb(26, 31, 160) |
| HSL | hsl(238, 72%, 36%) |
| HSV | hsv(238, 84%, 63%) |
| CMYK | cmyk(83.8%, 80.6%, 0%, 37.3%) |
| CIE-LAB | lab(22.78, 44.98, -68.27) |
| CIE-LCH | lch(22.78, 81.76, 303.37°) |
| OKLab | oklab(35.36% -0.0033 -0.1978) |
| OKLCH | oklch(35.36% 0.198 269.1) |
| XYZ | xyz(7.2590, 3.7368, 33.5896) |
| Luminance | 0.0374 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 2.57
Cobalt Blue
#030AA7
ΔE00 3.35
Royal Blue (survey)
#0504AA
ΔE00 3.91
Indigo Blue
#3A18B1
ΔE00 4.07
Ultramarine
#2000B1
ΔE00 4.37
True Blue
#010FCC
ΔE00 5.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1A1FA0 #A09B1A
analogous
#1A62A0 #1A1FA0 #581AA0
triadic
#1A1FA0 #A01A1F #1FA01A
tetradic
#1A1FA0 #A01A62 #A09B1A #1AA058
square
#1A1FA0 #A01A62 #A09B1A #1AA058
split-complementary
#1A1FA0 #A0581A #62A01A
monochromatic
#090B37 #11156B #1A1FA0 #2329D5 #5257E3
Accessibility & contrast
On white
12.02
#1A1FA0 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.75
#1A1FA0 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1A1FA0
12.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1A1FA0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1A1FA0 | 1.00 | 12.02 | 1.75 | 12.02 |
| #FFFFFF | 12.02 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.02 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003DA4
Deuteranopia (green-blind)
#002F9E
Tritanopia (blue-blind)
#004760
Achromatopsia (no color)
#363636
Design tokens & code
CSS
--color: #1a1fa0; /* rgb */ color: rgb(26, 31, 160); /* oklch */ color: oklch(35.4% 0.198 269.1);
Tailwind
colors: {
custom: {
50: '#735dbd',
500: '#1a1fa0',
950: '#000000',
},
}SCSS
$custom: #1a1fa0; $custom-light: #735dbd; $custom-dark: #000000;
JSON
{
"hex": "#1a1fa0",
"rgb": {
"r": 26,
"g": 31,
"b": 160
},
"hsl": {
"h": 237.761,
"s": 72.043,
"l": 36.471
},
"oklch": {
"l": 0.35363,
"c": 0.19779,
"h": 269.1
},
"luminance": 0.03738
}Semantic roles & 50–950 ramp
primary
#1A1FA0
secondary
#C5C150
accent
#E839EF
background
#F7F5FB
surface
#EEE9F7
border
#C9C5D0
text
#0A0412
muted
#7C7981