#1D529C#1D529C
#1D529C is a dark, vivid cyan. Relative luminance 0.087; OKLCH L 44.6% C 0.133 H 257.8°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).
Color values
| HEX | #1D529C |
|---|---|
| RGB | rgb(29, 82, 156) |
| HSL | hsl(215, 69%, 36%) |
| HSV | hsv(215, 81%, 61%) |
| CMYK | cmyk(81.4%, 47.4%, 0%, 38.8%) |
| CIE-LAB | lab(35.39, 10.71, -45.22) |
| CIE-LCH | lch(35.39, 46.48, 283.33°) |
| OKLab | oklab(44.62% -0.0282 -0.1299) |
| OKLCH | oklch(44.62% 0.133 257.8) |
| XYZ | xyz(9.5225, 8.6950, 32.6225) |
| Luminance | 0.0870 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusk Blue
#26538D
ΔE00 1.88
Cobalt (survey)
#1E488F
ΔE00 3.65
Light Navy
#155084
ΔE00 3.71
Sapphire
#0F52BA
ΔE00 3.83
Light Navy Blue
#2E5A88
ΔE00 3.87
Denim Blue
#3B5B92
ΔE00 4.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D529C #9C671D
analogous
#1D929C #1D529C #281D9C
triadic
#1D529C #9C1D52 #529C1D
tetradic
#1D529C #9C1D92 #9C671D #1D9C28
square
#1D529C #9C1D92 #9C671D #1D9C28
split-complementary
#1D529C #9C281D #929C1D
monochromatic
#0A1C35 #133768 #1D529C #276DD0 #548EDF
Accessibility & contrast
On white
7.67
#1D529C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.74
#1D529C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1D529C
7.67:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D529C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D529C | 1.00 | 7.67 | 2.74 | 7.67 |
| #FFFFFF | 7.67 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.74 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.67 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#29599F
Deuteranopia (green-blind)
#044E9B
Tritanopia (blue-blind)
#00646F
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #1d529c; /* rgb */ color: rgb(29, 82, 156); /* oklch */ color: oklch(44.6% 0.133 257.8);
Tailwind
colors: {
custom: {
50: '#6e82ba',
500: '#1d529c',
950: '#000000',
},
}SCSS
$custom: #1d529c; $custom-light: #6e82ba; $custom-dark: #000000;
JSON
{
"hex": "#1d529c",
"rgb": {
"r": 29,
"g": 82,
"b": 156
},
"hsl": {
"h": 214.961,
"s": 68.649,
"l": 36.275
},
"oklch": {
"l": 0.44621,
"c": 0.13291,
"h": 257.8
},
"luminance": 0.08696
}Semantic roles & 50–950 ramp
primary
#1D529C
secondary
#C29452
accent
#A23CEB
background
#F7F7FB
surface
#EDEEF6
border
#C8C9D0
text
#080A11
muted
#7B7C80