#193F8B#193F8B
#193F8B is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.9% C 0.134 H 262.2°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).
Color values
| HEX | #193F8B |
|---|---|
| RGB | rgb(25, 63, 139) |
| HSL | hsl(220, 70%, 32%) |
| HSV | hsv(220, 82%, 55%) |
| CMYK | cmyk(82%, 54.7%, 0%, 45.5%) |
| CIE-LAB | lab(28.45, 16.37, -46.08) |
| CIE-LCH | lch(28.45, 48.90, 289.55°) |
| OKLab | oklab(38.88% -0.0183 -0.1328) |
| OKLCH | oklch(38.88% 0.134 262.2) |
| XYZ | xyz(6.8369, 5.6250, 25.1465) |
| Luminance | 0.0563 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 2.99
Darkish Blue
#014182
ΔE00 3.14
Twilight Blue
#0A437A
ΔE00 4.31
Cobalt
#0047AB
ΔE00 4.72
Marine Blue
#01386A
ΔE00 5.48
Prussian Blue
#004577
ΔE00 5.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#193F8B #8B6519
analogous
#19788B #193F8B #2C198B
triadic
#193F8B #8B193F #3F8B19
tetradic
#193F8B #8B1978 #8B6519 #198B2C
square
#193F8B #8B1978 #8B6519 #198B2C
split-complementary
#193F8B #8B2C19 #788B19
monochromatic
#061023 #102757 #193F8B #2257BF #4175DD
Accessibility & contrast
On white
9.88
#193F8B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.13
#193F8B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #193F8B
9.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##193F8B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##193F8B | 1.00 | 9.88 | 2.13 | 9.88 |
| #FFFFFF | 9.88 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.13 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.88 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#03498E
Deuteranopia (green-blind)
#003E8A
Tritanopia (blue-blind)
#00525E
Achromatopsia (no color)
#434343
Design tokens & code
CSS
--color: #193f8b; /* rgb */ color: rgb(25, 63, 139); /* oklch */ color: oklch(38.9% 0.134 262.2);
Tailwind
colors: {
custom: {
50: '#6a73ad',
500: '#193f8b',
950: '#000000',
},
}SCSS
$custom: #193f8b; $custom-light: #6a73ad; $custom-dark: #000000;
JSON
{
"hex": "#193f8b",
"rgb": {
"r": 25,
"g": 63,
"b": 139
},
"hsl": {
"h": 220,
"s": 69.512,
"l": 32.157
},
"oklch": {
"l": 0.3888,
"c": 0.1341,
"h": 262.2
},
"luminance": 0.05626
}Semantic roles & 50–950 ramp
primary
#193F8B
secondary
#BE9542
accent
#B13BEC
background
#F6F6FA
surface
#ECECF4
border
#C7C7CE
text
#070810
muted
#7A7B7F