#1B196B#1B196B
#1B196B is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.4% C 0.136 H 274.4°. Best body text is #FFFFFF at 15.02:1 contrast (WCAG AA passes).
Color values
| HEX | #1B196B |
|---|---|
| RGB | rgb(27, 25, 107) |
| HSL | hsl(241, 62%, 26%) |
| HSV | hsv(241, 77%, 42%) |
| CMYK | cmyk(74.8%, 76.6%, 0%, 58%) |
| CIE-LAB | lab(15.43, 30.11, -47.01) |
| CIE-LCH | lch(15.43, 55.83, 302.64°) |
| OKLab | oklab(28.38% 0.0105 -0.1359) |
| OKLCH | oklch(28.38% 0.136 274.4) |
| XYZ | xyz(3.4526, 1.9895, 14.1091) |
| Luminance | 0.0199 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 0.90
Darkblue (survey)
#030764
ΔE00 4.25
Dark Royal Blue
#02066F
ΔE00 4.47
Deep Blue
#040273
ΔE00 5.23
Dark Indigo
#1F0954
ΔE00 5.27
Dark Blue
#00035B
ΔE00 5.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B196B #696B19
analogous
#19406B #1B196B #44196B
triadic
#1B196B #6B1B19 #196B1B
tetradic
#1B196B #6B1940 #696B19 #196B44
square
#1B196B #6B1940 #696B19 #196B44
split-complementary
#1B196B #6B4419 #406B19
monochromatic
#060619 #0E0D39 #1B196B #28259D #3430CE
Accessibility & contrast
On white
15.02
#1B196B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.40
#1B196B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B196B
15.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B196B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B196B | 1.00 | 15.02 | 1.40 | 15.02 |
| #FFFFFF | 15.02 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 15.02 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#002A6D
Deuteranopia (green-blind)
#00236A
Tritanopia (blue-blind)
#003040
Achromatopsia (no color)
#272727
Design tokens & code
CSS
--color: #1b196b; /* rgb */ color: rgb(27, 25, 107); /* oklch */ color: oklch(28.4% 0.136 274.4);
Tailwind
colors: {
custom: {
50: '#655796',
500: '#1b196b',
950: '#000000',
},
}SCSS
$custom: #1b196b; $custom-light: #655796; $custom-dark: #000000;
JSON
{
"hex": "#1b196b",
"rgb": {
"r": 27,
"g": 25,
"b": 107
},
"hsl": {
"h": 241.463,
"s": 62.121,
"l": 25.882
},
"oklch": {
"l": 0.28378,
"c": 0.13636,
"h": 274.4
},
"luminance": 0.0199
}Semantic roles & 50–950 ramp
primary
#1B196B
secondary
#9EA13F
accent
#E543E1
background
#F6F5F9
surface
#EBE9F2
border
#C6C5CC
text
#06030D
muted
#7A787E