#1C438E#1C438E
#1C438E is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.1% C 0.132 H 261.8°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).
Color values
| HEX | #1C438E |
|---|---|
| RGB | rgb(28, 67, 142) |
| HSL | hsl(219, 67%, 33%) |
| HSV | hsv(219, 80%, 56%) |
| CMYK | cmyk(80.3%, 52.8%, 0%, 44.3%) |
| CIE-LAB | lab(29.94, 15.15, -45.49) |
| CIE-LCH | lch(29.94, 47.95, 288.41°) |
| OKLab | oklab(40.12% -0.0189 -0.131) |
| OKLCH | oklch(40.12% 0.132 261.8) |
| XYZ | xyz(7.3668, 6.2133, 26.3970) |
| Luminance | 0.0621 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 1.72
Darkish Blue
#014182
ΔE00 2.98
Cobalt
#0047AB
ΔE00 3.94
Twilight Blue
#0A437A
ΔE00 4.01
Prussian Blue
#004577
ΔE00 5.42
Dusk Blue
#26538D
ΔE00 5.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C438E #8E671C
analogous
#1C7C8E #1C438E #2E1C8E
triadic
#1C438E #8E1C43 #438E1C
tetradic
#1C438E #8E1C7C #8E671C #1C8E2E
square
#1C438E #8E1C7C #8E671C #1C8E2E
split-complementary
#1C438E #8E2E1C #7C8E1C
monochromatic
#081328 #122B5B #1C438E #265BC1 #497BDB
Accessibility & contrast
On white
9.36
#1C438E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.24
#1C438E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C438E
9.36:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C438E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C438E | 1.00 | 9.36 | 2.24 | 9.36 |
| #FFFFFF | 9.36 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.36 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#114C91
Deuteranopia (green-blind)
#00428D
Tritanopia (blue-blind)
#005562
Achromatopsia (no color)
#474747
Design tokens & code
CSS
--color: #1c438e; /* rgb */ color: rgb(28, 67, 142); /* oklch */ color: oklch(40.1% 0.132 261.8);
Tailwind
colors: {
custom: {
50: '#6b76b0',
500: '#1c438e',
950: '#000000',
},
}SCSS
$custom: #1c438e; $custom-light: #6b76b0; $custom-dark: #000000;
JSON
{
"hex": "#1c438e",
"rgb": {
"r": 28,
"g": 67,
"b": 142
},
"hsl": {
"h": 219.474,
"s": 67.059,
"l": 33.333
},
"oklch": {
"l": 0.40121,
"c": 0.13237,
"h": 261.8
},
"luminance": 0.06214
}Semantic roles & 50–950 ramp
primary
#1C438E
secondary
#BD9549
accent
#AF3EEA
background
#F6F7FA
surface
#ECEDF5
border
#C7C8CF
text
#080810
muted
#7A7B7F