#1B5E87#1B5E87
#1B5E87 is a mid, moderate cyan. Relative luminance 0.100; OKLCH L 46.1% C 0.093 H 240.6°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).
Color values
| HEX | #1B5E87 |
|---|---|
| RGB | rgb(27, 94, 135) |
| HSL | hsl(203, 67%, 32%) |
| HSV | hsv(203, 80%, 53%) |
| CMYK | cmyk(80%, 30.4%, 0%, 47.1%) |
| CIE-LAB | lab(37.82, -5.56, -28.66) |
| CIE-LCH | lch(37.82, 29.19, 259.03°) |
| OKLab | oklab(46.11% -0.0457 -0.0811) |
| OKLCH | oklch(46.11% 0.093 240.6) |
| XYZ | xyz(8.8262, 9.9866, 24.3794) |
| Luminance | 0.0999 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ugly Blue
#31668A
ΔE00 3.23
Peacock Blue
#016795
ΔE00 3.51
Deep Sea Blue
#015482
ΔE00 3.57
Light Navy Blue
#2E5A88
ΔE00 4.29
Denim (survey)
#3B638C
ΔE00 4.66
Light Navy
#155084
ΔE00 5.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B5E87 #87441B
analogous
#1B877A #1B5E87 #1B2887
triadic
#1B5E87 #871B5E #5E871B
tetradic
#1B5E87 #7A1B87 #87441B #28871B
square
#1B5E87 #7A1B87 #87441B #28871B
split-complementary
#1B5E87 #871B28 #877A1B
monochromatic
#071721 #113A54 #1B5E87 #2582BA #43A0D9
Accessibility & contrast
On white
7.01
#1B5E87 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
3.00
#1B5E87 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1B5E87
7.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B5E87 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B5E87 | 1.00 | 7.01 | 3.00 | 7.01 |
| #FFFFFF | 7.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4B5F89
Deuteranopia (green-blind)
#3C5586
Tritanopia (blue-blind)
#00686C
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #1b5e87; /* rgb */ color: rgb(27, 94, 135); /* oklch */ color: oklch(46.1% 0.093 240.6);
Tailwind
colors: {
custom: {
50: '#698baa',
500: '#1b5e87',
950: '#000000',
},
}SCSS
$custom: #1b5e87; $custom-light: #698baa; $custom-dark: #000000;
JSON
{
"hex": "#1b5e87",
"rgb": {
"r": 27,
"g": 94,
"b": 135
},
"hsl": {
"h": 202.778,
"s": 66.667,
"l": 31.765
},
"oklch": {
"l": 0.46107,
"c": 0.0931,
"h": 240.6
},
"luminance": 0.09988
}Semantic roles & 50–950 ramp
primary
#1B5E87
secondary
#BA7144
accent
#7F3EEA
background
#F6F8FA
surface
#ECF0F4
border
#C7CBCE
text
#070C10
muted
#7A7D7F