#1E4F9B#1E4F9B
#1E4F9B is a dark, vivid blue. Relative luminance 0.082; OKLCH L 43.9% C 0.135 H 259.2°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).
Color values
| HEX | #1E4F9B |
|---|---|
| RGB | rgb(30, 79, 155) |
| HSL | hsl(216, 68%, 36%) |
| HSV | hsv(216, 81%, 61%) |
| CMYK | cmyk(80.6%, 49%, 0%, 39.2%) |
| CIE-LAB | lab(34.46, 12.43, -46.11) |
| CIE-LCH | lch(34.46, 47.76, 285.09°) |
| OKLab | oklab(43.9% -0.0253 -0.1325) |
| OKLCH | oklch(43.9% 0.135 259.2) |
| XYZ | xyz(9.2456, 8.2334, 32.1059) |
| Luminance | 0.0824 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusk Blue
#26538D
ΔE00 2.38
Cobalt (survey)
#1E488F
ΔE00 2.64
Cobalt
#0047AB
ΔE00 3.54
Sapphire
#0F52BA
ΔE00 3.93
Light Navy
#155084
ΔE00 4.06
Denim Blue
#3B5B92
ΔE00 4.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1E4F9B #9B6A1E
analogous
#1E8E9B #1E4F9B #2C1E9B
triadic
#1E4F9B #9B1E4F #4F9B1E
tetradic
#1E4F9B #9B1E8E #9B6A1E #1E9B2C
square
#1E4F9B #9B1E8E #9B6A1E #1E9B2C
split-complementary
#1E4F9B #9B2C1E #8E9B1E
monochromatic
#0A1B34 #143568 #1E4F9B #2869CE #558BDE
Accessibility & contrast
On white
7.93
#1E4F9B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.65
#1E4F9B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1E4F9B
7.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1E4F9B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1E4F9B | 1.00 | 7.93 | 2.65 | 7.93 |
| #FFFFFF | 7.93 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.93 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#23579E
Deuteranopia (green-blind)
#004C99
Tritanopia (blue-blind)
#00616D
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #1e4f9b; /* rgb */ color: rgb(30, 79, 155); /* oklch */ color: oklch(43.9% 0.135 259.2);
Tailwind
colors: {
custom: {
50: '#6e7fb9',
500: '#1e4f9b',
950: '#000000',
},
}SCSS
$custom: #1e4f9b; $custom-light: #6e7fb9; $custom-dark: #000000;
JSON
{
"hex": "#1e4f9b",
"rgb": {
"r": 30,
"g": 79,
"b": 155
},
"hsl": {
"h": 216.48,
"s": 67.568,
"l": 36.275
},
"oklch": {
"l": 0.43895,
"c": 0.13494,
"h": 259.2
},
"luminance": 0.08235
}Semantic roles & 50–950 ramp
primary
#1E4F9B
secondary
#C29653
accent
#A73DEA
background
#F7F7FB
surface
#EDEEF6
border
#C8C9D0
text
#080A11
muted
#7B7C80