#1E4BBC#1E4BBC
#1E4BBC is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.7% C 0.185 H 263.9°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).
Color values
| HEX | #1E4BBC |
|---|---|
| RGB | rgb(30, 75, 188) |
| HSL | hsl(223, 72%, 43%) |
| HSV | hsv(223, 84%, 74%) |
| CMYK | cmyk(84%, 60.1%, 0%, 26.3%) |
| CIE-LAB | lab(35.86, 28.15, -63.48) |
| CIE-LCH | lch(35.86, 69.44, 293.92°) |
| OKLab | oklab(45.75% -0.0195 -0.1837) |
| OKLCH | oklch(45.75% 0.185 263.9) |
| XYZ | xyz(12.1254, 8.9375, 48.6532) |
| Luminance | 0.0894 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire
#0F52BA
ΔE00 3.00
Cobalt
#0047AB
ΔE00 3.17
Blue Blue
#2242C7
ΔE00 3.57
Blue (survey)
#0343DF
ΔE00 5.10
Sapphire (survey)
#2138AB
ΔE00 6.16
Cobalt (survey)
#1E488F
ΔE00 6.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1E4BBC #BC8F1E
analogous
#1E9ABC #1E4BBC #401EBC
triadic
#1E4BBC #BC1E4B #4BBC1E
tetradic
#1E4BBC #BC1E9A #BC8F1E #1EBC40
square
#1E4BBC #BC1E9A #BC8F1E #1EBC40
split-complementary
#1E4BBC #BC401E #9ABC1E
monochromatic
#0D2152 #163687 #1E4BBC #3868DF #6D90E8
Accessibility & contrast
On white
7.53
#1E4BBC on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.79
#1E4BBC on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1E4BBC
7.53:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1E4BBC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1E4BBC | 1.00 | 7.53 | 2.79 | 7.53 |
| #FFFFFF | 7.53 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.79 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.53 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005CC0
Deuteranopia (green-blind)
#004DBA
Tritanopia (blue-blind)
#00687C
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #1e4bbc; /* rgb */ color: rgb(30, 75, 188); /* oklch */ color: oklch(45.7% 0.185 263.9);
Tailwind
colors: {
custom: {
50: '#777cd1',
500: '#1e4bbc',
950: '#000000',
},
}SCSS
$custom: #1e4bbc; $custom-light: #777cd1; $custom-dark: #000000;
JSON
{
"hex": "#1e4bbc",
"rgb": {
"r": 30,
"g": 75,
"b": 188
},
"hsl": {
"h": 222.911,
"s": 72.477,
"l": 42.745
},
"oklch": {
"l": 0.45746,
"c": 0.18472,
"h": 263.9
},
"luminance": 0.08939
}Semantic roles & 50–950 ramp
primary
#1E4BBC
secondary
#CEB168
accent
#BB39EF
background
#F8F7FD
surface
#EFEEFA
border
#CAC9D3
text
#0B0914
muted
#7C7B83