#1C598F#1C598F
#1C598F is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.4% C 0.107 H 249.4°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).
Color values
| HEX | #1C598F |
|---|---|
| RGB | rgb(28, 89, 143) |
| HSL | hsl(208, 67%, 34%) |
| HSV | hsv(208, 80%, 56%) |
| CMYK | cmyk(80.4%, 37.8%, 0%, 43.9%) |
| CIE-LAB | lab(36.69, 0.83, -35.29) |
| CIE-LCH | lch(36.69, 35.30, 271.35°) |
| OKLab | oklab(45.37% -0.0379 -0.1006) |
| OKLCH | oklch(45.37% 0.107 249.4) |
| XYZ | xyz(9.0073, 9.3737, 27.3159) |
| Luminance | 0.0938 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy Blue
#2E5A88
ΔE00 1.88
Light Navy
#155084
ΔE00 3.11
Dusk Blue
#26538D
ΔE00 3.14
Deep Sea Blue
#015482
ΔE00 3.29
Denim (survey)
#3B638C
ΔE00 4.33
Denim Blue
#3B5B92
ΔE00 4.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C598F #8F521C
analogous
#1C8F8B #1C598F #1C1F8F
triadic
#1C598F #8F1C59 #598F1C
tetradic
#1C598F #8B1C8F #8F521C #1F8F1C
square
#1C598F #8B1C8F #8F521C #1F8F1C
split-complementary
#1C598F #8F1C1F #8F8B1C
monochromatic
#081929 #12395C #1C598F #2679C2 #4A97DC
Accessibility & contrast
On white
7.30
#1C598F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.87
#1C598F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C598F
7.30:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C598F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C598F | 1.00 | 7.30 | 2.87 | 7.30 |
| #FFFFFF | 7.30 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.87 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.30 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#405C91
Deuteranopia (green-blind)
#2E528E
Tritanopia (blue-blind)
#00666D
Achromatopsia (no color)
#565656
Design tokens & code
CSS
--color: #1c598f; /* rgb */ color: rgb(28, 89, 143); /* oklch */ color: oklch(45.4% 0.107 249.4);
Tailwind
colors: {
custom: {
50: '#6b87b0',
500: '#1c598f',
950: '#000000',
},
}SCSS
$custom: #1c598f; $custom-light: #6b87b0; $custom-dark: #000000;
JSON
{
"hex": "#1c598f",
"rgb": {
"r": 28,
"g": 89,
"b": 143
},
"hsl": {
"h": 208.174,
"s": 67.251,
"l": 33.529
},
"oklch": {
"l": 0.45368,
"c": 0.10746,
"h": 249.4
},
"luminance": 0.09375
}Semantic roles & 50–950 ramp
primary
#1C598F
secondary
#BE8049
accent
#8F3EEA
background
#F6F8FA
surface
#ECEFF5
border
#C7CACF
text
#080B10
muted
#7A7C7F