#1A438B#1A438B
#1A438B is a dark, vivid blue. Relative luminance 0.061; OKLCH L 39.8% C 0.129 H 260.8°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).
Color values
| HEX | #1A438B |
|---|---|
| RGB | rgb(26, 67, 139) |
| HSL | hsl(218, 68%, 32%) |
| HSV | hsv(218, 81%, 55%) |
| CMYK | cmyk(81.3%, 51.8%, 0%, 45.5%) |
| CIE-LAB | lab(29.66, 13.70, -44.12) |
| CIE-LCH | lch(29.66, 46.19, 287.25°) |
| OKLab | oklab(39.81% -0.0207 -0.127) |
| OKLCH | oklch(39.81% 0.129 260.8) |
| XYZ | xyz(7.0917, 6.0972, 25.2242) |
| Luminance | 0.0610 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.63
Darkish Blue
#014182
ΔE00 2.45
Twilight Blue
#0A437A
ΔE00 3.47
Cobalt
#0047AB
ΔE00 4.28
Prussian Blue
#004577
ΔE00 4.92
Dusk Blue
#26538D
ΔE00 5.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1A438B #8B621A
analogous
#1A7C8B #1A438B #291A8B
triadic
#1A438B #8B1A43 #438B1A
tetradic
#1A438B #8B1A7C #8B621A #1A8B29
square
#1A438B #8B1A7C #8B621A #1A8B29
split-complementary
#1A438B #8B291A #7C8B1A
monochromatic
#071124 #102A57 #1A438B #245CBF #437BDC
Accessibility & contrast
On white
9.46
#1A438B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.22
#1A438B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1A438B
9.46:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1A438B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1A438B | 1.00 | 9.46 | 2.22 | 9.46 |
| #FFFFFF | 9.46 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.22 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.46 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#164B8E
Deuteranopia (green-blind)
#00418A
Tritanopia (blue-blind)
#005460
Achromatopsia (no color)
#464646
Design tokens & code
CSS
--color: #1a438b; /* rgb */ color: rgb(26, 67, 139); /* oklch */ color: oklch(39.8% 0.129 260.8);
Tailwind
colors: {
custom: {
50: '#6a76ad',
500: '#1a438b',
950: '#000000',
},
}SCSS
$custom: #1a438b; $custom-light: #6a76ad; $custom-dark: #000000;
JSON
{
"hex": "#1a438b",
"rgb": {
"r": 26,
"g": 67,
"b": 139
},
"hsl": {
"h": 218.23,
"s": 68.485,
"l": 32.353
},
"oklch": {
"l": 0.39812,
"c": 0.12865,
"h": 260.8
},
"luminance": 0.06098
}Semantic roles & 50–950 ramp
primary
#1A438B
secondary
#BD9144
accent
#AC3CEB
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#070810
muted
#7A7B7F