#1A3D8E#1A3D8E
#1A3D8E is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.7% C 0.141 H 263.5°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).
Color values
| HEX | #1A3D8E |
|---|---|
| RGB | rgb(26, 61, 142) |
| HSL | hsl(222, 69%, 33%) |
| HSV | hsv(222, 82%, 56%) |
| CMYK | cmyk(81.7%, 57%, 0%, 44.3%) |
| CIE-LAB | lab(28.14, 19.08, -48.42) |
| CIE-LCH | lch(28.14, 52.05, 291.51°) |
| OKLab | oklab(38.73% -0.0158 -0.1398) |
| OKLCH | oklch(38.73% 0.141 263.5) |
| XYZ | xyz(6.9755, 5.5093, 26.2817) |
| Luminance | 0.0551 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 3.82
Darkish Blue
#014182
ΔE00 4.08
Cobalt
#0047AB
ΔE00 4.82
Twilight Blue
#0A437A
ΔE00 5.27
Sapphire (survey)
#2138AB
ΔE00 5.38
Marine Blue
#01386A
ΔE00 6.06
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1A3D8E #8E6B1A
analogous
#1A778E #1A3D8E #311A8E
triadic
#1A3D8E #8E1A3D #3D8E1A
tetradic
#1A3D8E #8E1A77 #8E6B1A #1A8E31
square
#1A3D8E #8E1A77 #8E6B1A #1A8E31
split-complementary
#1A3D8E #8E311A #778E1A
monochromatic
#071127 #11275A #1A3D8E #2353C2 #4573DD
Accessibility & contrast
On white
9.99
#1A3D8E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.10
#1A3D8E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1A3D8E
9.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1A3D8E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1A3D8E | 1.00 | 9.99 | 2.10 | 9.99 |
| #FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004891
Deuteranopia (green-blind)
#003D8C
Tritanopia (blue-blind)
#00515F
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #1a3d8e; /* rgb */ color: rgb(26, 61, 142); /* oklch */ color: oklch(38.7% 0.141 263.5);
Tailwind
colors: {
custom: {
50: '#6b71b0',
500: '#1a3d8e',
950: '#000000',
},
}SCSS
$custom: #1a3d8e; $custom-light: #6b71b0; $custom-dark: #000000;
JSON
{
"hex": "#1a3d8e",
"rgb": {
"r": 26,
"g": 61,
"b": 142
},
"hsl": {
"h": 221.897,
"s": 69.048,
"l": 32.941
},
"oklch": {
"l": 0.38732,
"c": 0.14067,
"h": 263.5
},
"luminance": 0.0551
}Semantic roles & 50–950 ramp
primary
#1A3D8E
secondary
#BE9A45
accent
#B73CEC
background
#F6F6FA
surface
#ECECF5
border
#C7C7CF
text
#080710
muted
#7A7A7F