#1B5286#1B5286
#1B5286 is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.0% C 0.103 H 250.6°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).
Color values
| HEX | #1B5286 |
|---|---|
| RGB | rgb(27, 82, 134) |
| HSL | hsl(209, 66%, 32%) |
| HSV | hsv(209, 80%, 53%) |
| CMYK | cmyk(79.9%, 38.8%, 0%, 47.5%) |
| CIE-LAB | lab(33.96, 1.67, -34.14) |
| CIE-LCH | lch(33.96, 34.18, 272.81°) |
| OKLab | oklab(43.05% -0.0343 -0.0974) |
| OKLCH | oklch(43.05% 0.103 250.6) |
| XYZ | xyz(7.7707, 7.9879, 23.6819) |
| Luminance | 0.0799 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy
#155084
ΔE00 0.76
Dusk Blue
#26538D
ΔE00 2.03
Light Navy Blue
#2E5A88
ΔE00 2.92
Deep Sea Blue
#015482
ΔE00 3.20
Prussian Blue
#004577
ΔE00 4.40
Cobalt (survey)
#1E488F
ΔE00 4.74
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B5286 #864F1B
analogous
#1B8685 #1B5286 #1B1C86
triadic
#1B5286 #861B52 #52861B
tetradic
#1B5286 #851B86 #864F1B #1C861B
square
#1B5286 #851B86 #864F1B #1C861B
split-complementary
#1B5286 #861B1C #86851B
monochromatic
#061420 #113353 #1B5286 #2571B9 #4290D9
Accessibility & contrast
On white
8.08
#1B5286 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.60
#1B5286 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B5286
8.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B5286 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B5286 | 1.00 | 8.08 | 2.60 | 8.08 |
| #FFFFFF | 8.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.60 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3A5588
Deuteranopia (green-blind)
#294B85
Tritanopia (blue-blind)
#005E65
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #1b5286; /* rgb */ color: rgb(27, 82, 134); /* oklch */ color: oklch(43.0% 0.103 250.6);
Tailwind
colors: {
custom: {
50: '#6982a9',
500: '#1b5286',
950: '#000000',
},
}SCSS
$custom: #1b5286; $custom-light: #6982a9; $custom-dark: #000000;
JSON
{
"hex": "#1b5286",
"rgb": {
"r": 27,
"g": 82,
"b": 134
},
"hsl": {
"h": 209.159,
"s": 66.46,
"l": 31.569
},
"oklch": {
"l": 0.43047,
"c": 0.10321,
"h": 250.6
},
"luminance": 0.07989
}Semantic roles & 50–950 ramp
primary
#1B5286
secondary
#B97D44
accent
#923EE9
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A10
muted
#7A7C7F