#1937A1#1937A1
#1937A1 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.2% C 0.174 H 265.9°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).
Color values
| HEX | #1937A1 |
|---|---|
| RGB | rgb(25, 55, 161) |
| HSL | hsl(227, 73%, 36%) |
| HSV | hsv(227, 84%, 63%) |
| CMYK | cmyk(84.5%, 65.8%, 0%, 36.9%) |
| CIE-LAB | lab(28.14, 30.64, -60.03) |
| CIE-LCH | lch(28.14, 67.40, 297.04°) |
| OKLab | oklab(39.24% -0.0126 -0.1739) |
| OKLCH | oklch(39.24% 0.174 265.9) |
| XYZ | xyz(8.1978, 5.5113, 34.3430) |
| Luminance | 0.0551 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.69
Cobalt
#0047AB
ΔE00 5.69
Blue Blue
#2242C7
ΔE00 5.94
Blueberry
#464196
ΔE00 6.09
Cobalt (survey)
#1E488F
ΔE00 7.03
Darkslateblue
#483D8B
ΔE00 7.32
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1937A1 #A18319
analogous
#197BA1 #1937A1 #3F19A1
triadic
#1937A1 #A11937 #37A119
tetradic
#1937A1 #A1197B #A18319 #19A13F
square
#1937A1 #A1197B #A18319 #19A13F
split-complementary
#1937A1 #A13F19 #7BA119
monochromatic
#091337 #11256C #1937A1 #2149D6 #5071E4
Accessibility & contrast
On white
9.99
#1937A1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.10
#1937A1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1937A1
9.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1937A1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1937A1 | 1.00 | 9.99 | 2.10 | 9.99 |
| #FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0049A4
Deuteranopia (green-blind)
#003C9F
Tritanopia (blue-blind)
#005367
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #1937a1; /* rgb */ color: rgb(25, 55, 161); /* oklch */ color: oklch(39.2% 0.174 265.9);
Tailwind
colors: {
custom: {
50: '#706dbe',
500: '#1937a1',
950: '#000000',
},
}SCSS
$custom: #1937a1; $custom-light: #706dbe; $custom-dark: #000000;
JSON
{
"hex": "#1937a1",
"rgb": {
"r": 25,
"g": 55,
"b": 161
},
"hsl": {
"h": 226.765,
"s": 73.118,
"l": 36.471
},
"oklch": {
"l": 0.39239,
"c": 0.17435,
"h": 265.9
},
"luminance": 0.05512
}Semantic roles & 50–950 ramp
primary
#1937A1
secondary
#C6AC4F
accent
#C738F0
background
#F7F6FB
surface
#EDEBF7
border
#C8C6D0
text
#090712
muted
#7B7A81