#193BB4#193BB4
#193BB4 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.8% C 0.194 H 265.6°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).
Color values
| HEX | #193BB4 |
|---|---|
| RGB | rgb(25, 59, 180) |
| HSL | hsl(227, 76%, 40%) |
| HSV | hsv(227, 86%, 71%) |
| CMYK | cmyk(86.1%, 67.2%, 0%, 29.4%) |
| CIE-LAB | lab(30.95, 35.25, -66.82) |
| CIE-LCH | lch(30.95, 75.55, 297.81°) |
| OKLab | oklab(41.85% -0.015 -0.1937) |
| OKLCH | oklch(41.85% 0.194 265.6) |
| XYZ | xyz(10.2002, 6.6286, 43.9130) |
| Luminance | 0.0663 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.49
Blue Blue
#2242C7
ΔE00 3.25
Cobalt
#0047AB
ΔE00 5.10
Blue (survey)
#0343DF
ΔE00 5.84
Ocean Blue
#4F42B5
ΔE00 5.97
Blueberry
#464196
ΔE00 6.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#193BB4 #B49219
analogous
#1988B4 #193BB4 #4519B4
triadic
#193BB4 #B4193B #3BB419
tetradic
#193BB4 #B41988 #B49219 #19B445
square
#193BB4 #B41988 #B49219 #19B445
split-complementary
#193BB4 #B44519 #88B419
monochromatic
#0A1849 #12297E #193BB4 #2951E1 #5F7DE9
Accessibility & contrast
On white
9.03
#193BB4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.33
#193BB4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #193BB4
9.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##193BB4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##193BB4 | 1.00 | 9.03 | 2.33 | 9.03 |
| #FFFFFF | 9.03 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.33 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.03 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050B8
Deuteranopia (green-blind)
#0042B2
Tritanopia (blue-blind)
#005C72
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #193bb4; /* rgb */ color: rgb(25, 59, 180); /* oklch */ color: oklch(41.8% 0.194 265.6);
Tailwind
colors: {
custom: {
50: '#7571cc',
500: '#193bb4',
950: '#000000',
},
}SCSS
$custom: #193bb4; $custom-light: #7571cc; $custom-dark: #000000;
JSON
{
"hex": "#193bb4",
"rgb": {
"r": 25,
"g": 59,
"b": 180
},
"hsl": {
"h": 226.839,
"s": 75.61,
"l": 40.196
},
"oklch": {
"l": 0.41845,
"c": 0.19428,
"h": 265.6
},
"luminance": 0.0663
}Semantic roles & 50–950 ramp
primary
#193BB4
secondary
#CDB45C
accent
#C936F2
background
#F7F6FC
surface
#EEECF9
border
#C9C7D2
text
#0A0713
muted
#7C7A82