#1D5598#1D5598
#1D5598 is a mid, vivid cyan. Relative luminance 0.090; OKLCH L 45.0% C 0.124 H 255.3°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).
Color values
| HEX | #1D5598 |
|---|---|
| RGB | rgb(29, 85, 152) |
| HSL | hsl(213, 68%, 35%) |
| HSV | hsv(213, 81%, 60%) |
| CMYK | cmyk(80.9%, 44.1%, 0%, 40.4%) |
| CIE-LAB | lab(36.03, 7.12, -41.79) |
| CIE-LCH | lch(36.03, 42.39, 279.67°) |
| OKLab | oklab(45.03% -0.0315 -0.1197) |
| OKLCH | oklch(45.03% 0.124 255.3) |
| XYZ | xyz(9.4206, 9.0241, 30.9450) |
| Luminance | 0.0902 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusk Blue
#26538D
ΔE00 1.56
Light Navy Blue
#2E5A88
ΔE00 2.81
Light Navy
#155084
ΔE00 3.14
Denim Blue
#3B5B92
ΔE00 3.78
Sapphire
#0F52BA
ΔE00 4.64
Cobalt (survey)
#1E488F
ΔE00 4.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D5598 #98601D
analogous
#1D9298 #1D5598 #221D98
triadic
#1D5598 #981D55 #55981D
tetradic
#1D5598 #981D92 #98601D #1D9822
square
#1D5598 #981D92 #98601D #1D9822
split-complementary
#1D5598 #98221D #92981D
monochromatic
#091C31 #133865 #1D5598 #2772CB #5291DE
Accessibility & contrast
On white
7.49
#1D5598 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.81
#1D5598 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1D5598
7.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D5598 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D5598 | 1.00 | 7.49 | 2.81 | 7.49 |
| #FFFFFF | 7.49 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.81 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.49 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#335B9B
Deuteranopia (green-blind)
#1B5097
Tritanopia (blue-blind)
#00656F
Achromatopsia (no color)
#555555
Design tokens & code
CSS
--color: #1d5598; /* rgb */ color: rgb(29, 85, 152); /* oklch */ color: oklch(45.0% 0.124 255.3);
Tailwind
colors: {
custom: {
50: '#6d84b7',
500: '#1d5598',
950: '#000000',
},
}SCSS
$custom: #1d5598; $custom-light: #6d84b7; $custom-dark: #000000;
JSON
{
"hex": "#1d5598",
"rgb": {
"r": 29,
"g": 85,
"b": 152
},
"hsl": {
"h": 212.683,
"s": 67.956,
"l": 35.49
},
"oklch": {
"l": 0.45033,
"c": 0.12378,
"h": 255.3
},
"luminance": 0.09025
}Semantic roles & 50–950 ramp
primary
#1D5598
secondary
#C18D50
accent
#9C3DEB
background
#F7F8FB
surface
#EDEFF6
border
#C8CAD0
text
#080A11
muted
#7B7C80