#1B5394#1B5394
#1B5394 is a dark, vivid cyan. Relative luminance 0.086; OKLCH L 44.2% C 0.121 H 254.8°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).
Color values
| HEX | #1B5394 |
|---|---|
| RGB | rgb(27, 83, 148) |
| HSL | hsl(212, 69%, 34%) |
| HSV | hsv(212, 82%, 58%) |
| CMYK | cmyk(81.8%, 43.9%, 0%, 42%) |
| CIE-LAB | lab(35.12, 6.62, -40.83) |
| CIE-LCH | lch(35.12, 41.37, 279.21°) |
| OKLab | oklab(44.23% -0.0318 -0.117) |
| OKLCH | oklch(44.23% 0.121 254.8) |
| XYZ | xyz(8.8886, 8.5566, 29.1943) |
| Luminance | 0.0856 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusk Blue
#26538D
ΔE00 1.16
Light Navy
#155084
ΔE00 2.50
Light Navy Blue
#2E5A88
ΔE00 3.03
Cobalt (survey)
#1E488F
ΔE00 4.15
Denim Blue
#3B5B92
ΔE00 4.18
Deep Sea Blue
#015482
ΔE00 4.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B5394 #945C1B
analogous
#1B9094 #1B5394 #1F1B94
triadic
#1B5394 #941B53 #53941B
tetradic
#1B5394 #941B90 #945C1B #1B941F
square
#1B5394 #941B90 #945C1B #1B941F
split-complementary
#1B5394 #941F1B #90941B
monochromatic
#08192C #123660 #1B5394 #2470C8 #4B8FDE
Accessibility & contrast
On white
7.74
#1B5394 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.71
#1B5394 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B5394
7.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B5394 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B5394 | 1.00 | 7.74 | 2.71 | 7.74 |
| #FFFFFF | 7.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.71 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#325897
Deuteranopia (green-blind)
#1B4E93
Tritanopia (blue-blind)
#00626C
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #1b5394; /* rgb */ color: rgb(27, 83, 148); /* oklch */ color: oklch(44.2% 0.121 254.8);
Tailwind
colors: {
custom: {
50: '#6c82b4',
500: '#1b5394',
950: '#000000',
},
}SCSS
$custom: #1b5394; $custom-light: #6c82b4; $custom-dark: #000000;
JSON
{
"hex": "#1b5394",
"rgb": {
"r": 27,
"g": 83,
"b": 148
},
"hsl": {
"h": 212.231,
"s": 69.143,
"l": 34.314
},
"oklch": {
"l": 0.44226,
"c": 0.12121,
"h": 254.8
},
"luminance": 0.08558
}Semantic roles & 50–950 ramp
primary
#1B5394
secondary
#C08A4B
accent
#9A3CEC
background
#F7F7FB
surface
#EDEEF6
border
#C8C9D0
text
#080A11
muted
#7B7C80