#18435C#18435C
#18435C is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.5% C 0.064 H 237.7°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).
Color values
| HEX | #18435C |
|---|---|
| RGB | rgb(24, 67, 92) |
| HSL | hsl(202, 59%, 23%) |
| HSV | hsv(202, 74%, 36%) |
| CMYK | cmyk(73.9%, 27.2%, 0%, 63.9%) |
| CIE-LAB | lab(26.68, -5.60, -19.16) |
| CIE-LCH | lch(26.68, 19.96, 253.71°) |
| OKLab | oklab(36.53% -0.0341 -0.0539) |
| OKLCH | oklch(36.53% 0.064 237.7) |
| XYZ | xyz(4.3149, 4.9807, 10.8571) |
| Luminance | 0.0498 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 1.78
Dark Grey Blue
#29465B
ΔE00 2.56
Dark Blue Grey
#1F3B4D
ΔE00 3.65
Prussian Blue
#004577
ΔE00 6.14
Twilight Blue
#0A437A
ΔE00 6.94
Charcoal
#36454F
ΔE00 7.10
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#18435C #5C3118
analogous
#185C53 #18435C #18215C
triadic
#18435C #5C1843 #435C18
tetradic
#18435C #53185C #5C3118 #215C18
square
#18435C #53185C #5C3118 #215C18
split-complementary
#18435C #5C1821 #5C5318
monochromatic
#061218 #0B202B #18435C #25668D #318ABD
Accessibility & contrast
On white
10.52
#18435C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.00
#18435C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #18435C
10.52:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##18435C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##18435C | 1.00 | 10.52 | 2.00 | 10.52 |
| #FFFFFF | 10.52 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.52 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#37435D
Deuteranopia (green-blind)
#2E3C5C
Tritanopia (blue-blind)
#00494C
Achromatopsia (no color)
#3F3F3F
Design tokens & code
CSS
--color: #18435c; /* rgb */ color: rgb(24, 67, 92); /* oklch */ color: oklch(36.5% 0.064 237.7);
Tailwind
colors: {
custom: {
50: '#5e778a',
500: '#18435c',
950: '#000000',
},
}SCSS
$custom: #18435c; $custom-light: #5e778a; $custom-dark: #000000;
JSON
{
"hex": "#18435c",
"rgb": {
"r": 24,
"g": 67,
"b": 92
},
"hsl": {
"h": 202.059,
"s": 58.621,
"l": 22.745
},
"oklch": {
"l": 0.36534,
"c": 0.06378,
"h": 237.7
},
"luminance": 0.04981
}Semantic roles & 50–950 ramp
primary
#18435C
secondary
#935D3D
accent
#7F46E2
background
#F5F7F8
surface
#EAEDF0
border
#C6C8CB
text
#05080B
muted
#797B7C