#193B71#193B71
#193B71 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.9% C 0.101 H 259.4°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).
Color values
| HEX | #193B71 |
|---|---|
| RGB | rgb(25, 59, 113) |
| HSL | hsl(217, 64%, 27%) |
| HSV | hsv(217, 78%, 44%) |
| CMYK | cmyk(77.9%, 47.8%, 0%, 55.7%) |
| CIE-LAB | lab(25.34, 8.46, -34.77) |
| CIE-LCH | lch(25.34, 35.79, 283.67°) |
| OKLab | oklab(35.9% -0.0187 -0.0997) |
| OKLCH | oklch(35.9% 0.101 259.4) |
| XYZ | xyz(4.9444, 4.5263, 16.2327) |
| Luminance | 0.0453 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Marine Blue
#01386A
ΔE00 2.55
Darkish Blue
#014182
ΔE00 3.43
Twilight Blue
#0A437A
ΔE00 3.72
Marine
#042E60
ΔE00 4.30
Prussian Blue
#004577
ΔE00 5.19
Cobalt (survey)
#1E488F
ΔE00 5.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#193B71 #714F19
analogous
#196771 #193B71 #231971
triadic
#193B71 #71193B #3B7119
tetradic
#193B71 #711967 #714F19 #197123
square
#193B71 #711967 #714F19 #197123
split-complementary
#193B71 #712319 #677119
monochromatic
#060D19 #0E213F #193B71 #2455A3 #3370D2
Accessibility & contrast
On white
11.02
#193B71 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.91
#193B71 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #193B71
11.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##193B71 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##193B71 | 1.00 | 11.02 | 1.91 | 11.02 |
| #FFFFFF | 11.02 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.02 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1F4073
Deuteranopia (green-blind)
#0C3870
Tritanopia (blue-blind)
#004850
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #193b71; /* rgb */ color: rgb(25, 59, 113); /* oklch */ color: oklch(35.9% 0.101 259.4);
Tailwind
colors: {
custom: {
50: '#63709a',
500: '#193b71',
950: '#000000',
},
}SCSS
$custom: #193b71; $custom-light: #63709a; $custom-dark: #000000;
JSON
{
"hex": "#193b71",
"rgb": {
"r": 25,
"g": 59,
"b": 113
},
"hsl": {
"h": 216.818,
"s": 63.768,
"l": 27.059
},
"oklch": {
"l": 0.35899,
"c": 0.10141,
"h": 259.4
},
"luminance": 0.04527
}Semantic roles & 50–950 ramp
primary
#193B71
secondary
#A67F40
accent
#A741E7
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070E
muted
#7A7A7E