#1E458B#1E458B
#1E458B is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.4% C 0.125 H 261.0°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).
Color values
| HEX | #1E458B |
|---|---|
| RGB | rgb(30, 69, 139) |
| HSL | hsl(219, 64%, 33%) |
| HSV | hsv(219, 78%, 55%) |
| CMYK | cmyk(78.4%, 50.4%, 0%, 45.5%) |
| CIE-LAB | lab(30.39, 12.80, -42.93) |
| CIE-LCH | lch(30.39, 44.79, 286.60°) |
| OKLab | oklab(40.41% -0.0195 -0.1234) |
| OKLCH | oklch(40.41% 0.125 261) |
| XYZ | xyz(7.3221, 6.3955, 25.2696) |
| Luminance | 0.0640 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.08
Darkish Blue
#014182
ΔE00 2.69
Twilight Blue
#0A437A
ΔE00 3.50
Cobalt
#0047AB
ΔE00 4.23
Dusk Blue
#26538D
ΔE00 4.80
Prussian Blue
#004577
ΔE00 4.88
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1E458B #8B641E
analogous
#1E7B8B #1E458B #2D1E8B
triadic
#1E458B #8B1E45 #458B1E
tetradic
#1E458B #8B1E7B #8B641E #1E8B2D
square
#1E458B #8B1E7B #8B641E #1E8B2D
split-complementary
#1E458B #8B2D1E #7B8B1E
monochromatic
#081326 #132C59 #1E458B #295EBD #4B7ED8
Accessibility & contrast
On white
9.21
#1E458B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.28
#1E458B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1E458B
9.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1E458B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1E458B | 1.00 | 9.21 | 2.28 | 9.21 |
| #FFFFFF | 9.21 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.28 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.21 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1C4D8E
Deuteranopia (green-blind)
#00438A
Tritanopia (blue-blind)
#005661
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #1e458b; /* rgb */ color: rgb(30, 69, 139); /* oklch */ color: oklch(40.4% 0.125 261.0);
Tailwind
colors: {
custom: {
50: '#6b78ad',
500: '#1e458b',
950: '#000000',
},
}SCSS
$custom: #1e458b; $custom-light: #6b78ad; $custom-dark: #000000;
JSON
{
"hex": "#1e458b",
"rgb": {
"r": 30,
"g": 69,
"b": 139
},
"hsl": {
"h": 218.532,
"s": 64.497,
"l": 33.137
},
"oklch": {
"l": 0.40412,
"c": 0.12492,
"h": 261
},
"luminance": 0.06396
}Semantic roles & 50–950 ramp
primary
#1E458B
secondary
#BB924A
accent
#AC40E7
background
#F6F7FA
surface
#ECEDF4
border
#C7C8CE
text
#080810
muted
#7A7B7F