#18438D#18438D
#18438D is a dark, vivid blue. Relative luminance 0.061; OKLCH L 39.9% C 0.132 H 260.5°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).
Color values
| HEX | #18438D |
|---|---|
| RGB | rgb(24, 67, 141) |
| HSL | hsl(218, 71%, 32%) |
| HSV | hsv(218, 83%, 55%) |
| CMYK | cmyk(83%, 52.5%, 0%, 44.7%) |
| CIE-LAB | lab(29.74, 14.31, -45.22) |
| CIE-LCH | lch(29.74, 47.42, 287.56°) |
| OKLab | oklab(39.91% -0.0217 -0.1302) |
| OKLCH | oklch(39.91% 0.132 260.5) |
| XYZ | xyz(7.1898, 6.1307, 25.9985) |
| Luminance | 0.0613 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.60
Darkish Blue
#014182
ΔE00 2.52
Twilight Blue
#0A437A
ΔE00 3.58
Cobalt
#0047AB
ΔE00 4.02
Prussian Blue
#004577
ΔE00 4.99
Dusk Blue
#26538D
ΔE00 5.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#18438D #8D6218
analogous
#187D8D #18438D #28188D
triadic
#18438D #8D1843 #438D18
tetradic
#18438D #8D187D #8D6218 #188D28
square
#18438D #8D187D #8D6218 #188D28
split-complementary
#18438D #8D2818 #7D8D18
monochromatic
#061124 #0F2A59 #18438D #215CC1 #417BDF
Accessibility & contrast
On white
9.43
#18438D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.23
#18438D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #18438D
9.43:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##18438D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##18438D | 1.00 | 9.43 | 2.23 | 9.43 |
| #FFFFFF | 9.43 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.23 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.43 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#124C90
Deuteranopia (green-blind)
#00418C
Tritanopia (blue-blind)
#005561
Achromatopsia (no color)
#464646
Design tokens & code
CSS
--color: #18438d; /* rgb */ color: rgb(24, 67, 141); /* oklch */ color: oklch(39.9% 0.132 260.5);
Tailwind
colors: {
custom: {
50: '#6a76af',
500: '#18438d',
950: '#000000',
},
}SCSS
$custom: #18438d; $custom-light: #6a76af; $custom-dark: #000000;
JSON
{
"hex": "#18438d",
"rgb": {
"r": 24,
"g": 67,
"b": 141
},
"hsl": {
"h": 217.949,
"s": 70.909,
"l": 32.353
},
"oklch": {
"l": 0.39905,
"c": 0.13205,
"h": 260.5
},
"luminance": 0.06132
}Semantic roles & 50–950 ramp
primary
#18438D
secondary
#BF9142
accent
#AC3AEE
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#080810
muted
#7A7B7F