#1B394A#1B394A
#1B394A is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.0% C 0.047 H 235.5°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).
Color values
| HEX | #1B394A |
|---|---|
| RGB | rgb(27, 57, 74) |
| HSL | hsl(202, 47%, 20%) |
| HSV | hsv(202, 64%, 29%) |
| CMYK | cmyk(63.5%, 23%, 0%, 71%) |
| CIE-LAB | lab(22.49, -5.29, -13.82) |
| CIE-LCH | lch(22.49, 14.80, 249.05°) |
| OKLab | oklab(32.95% -0.0266 -0.0386) |
| OKLCH | oklch(32.95% 0.047 235.5) |
| XYZ | xyz(3.1507, 3.6534, 7.0164) |
| Luminance | 0.0365 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Blue Grey
#1F3B4D
ΔE00 1.14
Dark Grey Blue
#29465B
ΔE00 4.69
Dark Slate Blue
#214761
ΔE00 5.56
Charcoal
#36454F
ΔE00 6.04
Gunmetal
#2A3439
ΔE00 6.80
Dark
#1B2431
ΔE00 8.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B394A #4A2C1B
analogous
#1B4A44 #1B394A #1B224A
triadic
#1B394A #4A1B39 #394A1B
tetradic
#1B394A #441B4A #4A2C1B #224A1B
square
#1B394A #441B4A #4A2C1B #224A1B
split-complementary
#1B394A #4A1B22 #4A441B
monochromatic
#081116 #0B161D #1B394A #2B5C77 #3C7EA4
Accessibility & contrast
On white
12.13
#1B394A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.73
#1B394A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B394A
12.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B394A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B394A | 1.00 | 12.13 | 1.73 | 12.13 |
| #FFFFFF | 12.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.73 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#31384B
Deuteranopia (green-blind)
#2A344A
Tritanopia (blue-blind)
#003D3F
Achromatopsia (no color)
#363636
Design tokens & code
CSS
--color: #1b394a; /* rgb */ color: rgb(27, 57, 74); /* oklch */ color: oklch(33.0% 0.047 235.5);
Tailwind
colors: {
custom: {
50: '#5c6f7c',
500: '#1b394a',
950: '#000000',
},
}SCSS
$custom: #1b394a; $custom-light: #5c6f7c; $custom-dark: #000000;
JSON
{
"hex": "#1b394a",
"rgb": {
"r": 27,
"g": 57,
"b": 74
},
"hsl": {
"h": 201.702,
"s": 46.535,
"l": 19.804
},
"oklch": {
"l": 0.32953,
"c": 0.04685,
"h": 235.5
},
"luminance": 0.03654
}Semantic roles & 50–950 ramp
primary
#1B394A
secondary
#805841
accent
#8252D6
background
#F5F6F7
surface
#E9ECEE
border
#C5C7C9
text
#040709
muted
#797A7B