#1D4F97#1D4F97
#1D4F97 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.6% C 0.130 H 258.2°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).
Color values
| HEX | #1D4F97 |
|---|---|
| RGB | rgb(29, 79, 151) |
| HSL | hsl(215, 68%, 35%) |
| HSV | hsv(215, 81%, 59%) |
| CMYK | cmyk(80.8%, 47.7%, 0%, 40.8%) |
| CIE-LAB | lab(34.16, 10.72, -44.18) |
| CIE-LCH | lch(34.16, 45.46, 283.64°) |
| OKLab | oklab(43.57% -0.0266 -0.1269) |
| OKLCH | oklch(43.57% 0.13 258.2) |
| XYZ | xyz(8.8865, 8.0865, 30.3646) |
| Luminance | 0.0809 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusk Blue
#26538D
ΔE00 1.93
Cobalt (survey)
#1E488F
ΔE00 2.54
Light Navy
#155084
ΔE00 3.50
Cobalt
#0047AB
ΔE00 3.97
Light Navy Blue
#2E5A88
ΔE00 4.41
Sapphire
#0F52BA
ΔE00 4.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D4F97 #97651D
analogous
#1D8C97 #1D4F97 #281D97
triadic
#1D4F97 #971D4F #4F971D
tetradic
#1D4F97 #971D8C #97651D #1D9728
square
#1D4F97 #971D8C #97651D #1D9728
split-complementary
#1D4F97 #97281D #8C971D
monochromatic
#091930 #133464 #1D4F97 #276ACA #518BDE
Accessibility & contrast
On white
8.02
#1D4F97 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.62
#1D4F97 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1D4F97
8.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D4F97 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D4F97 | 1.00 | 8.02 | 2.62 | 8.02 |
| #FFFFFF | 8.02 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.02 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#28569A
Deuteranopia (green-blind)
#044B96
Tritanopia (blue-blind)
#00606B
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #1d4f97; /* rgb */ color: rgb(29, 79, 151); /* oklch */ color: oklch(43.6% 0.130 258.2);
Tailwind
colors: {
custom: {
50: '#6d7fb6',
500: '#1d4f97',
950: '#000000',
},
}SCSS
$custom: #1d4f97; $custom-light: #6d7fb6; $custom-dark: #000000;
JSON
{
"hex": "#1d4f97",
"rgb": {
"r": 29,
"g": 79,
"b": 151
},
"hsl": {
"h": 215.41,
"s": 67.778,
"l": 35.294
},
"oklch": {
"l": 0.43567,
"c": 0.12964,
"h": 258.2
},
"luminance": 0.08088
}Semantic roles & 50–950 ramp
primary
#1D4F97
secondary
#C0924F
accent
#A43DEB
background
#F7F7FB
surface
#EDEEF6
border
#C8C9D0
text
#080A11
muted
#7B7C80