#1C2F90#1C2F90
#1C2F90 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.2% C 0.161 H 268.1°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).
Color values
| HEX | #1C2F90 |
|---|---|
| RGB | rgb(28, 47, 144) |
| HSL | hsl(230, 67%, 34%) |
| HSV | hsv(230, 81%, 56%) |
| CMYK | cmyk(80.6%, 67.4%, 0%, 43.5%) |
| CIE-LAB | lab(24.62, 29.69, -55.41) |
| CIE-LCH | lch(24.62, 62.86, 298.18°) |
| OKLab | oklab(36.19% -0.0053 -0.1604) |
| OKLCH | oklch(36.19% 0.161 268.1) |
| XYZ | xyz(6.5277, 4.2928, 26.8647) |
| Luminance | 0.0429 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 4.39
Royal
#0C1793
ΔE00 6.20
Blueberry
#464196
ΔE00 6.83
Darkslateblue
#483D8B
ΔE00 7.06
Midnight Blue
#191970
ΔE00 7.18
Indigo Blue
#3A18B1
ΔE00 8.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C2F90 #907D1C
analogous
#1C6990 #1C2F90 #431C90
triadic
#1C2F90 #901C2F #2F901C
tetradic
#1C2F90 #901C69 #907D1C #1C9043
square
#1C2F90 #901C69 #907D1C #1C9043
split-complementary
#1C2F90 #90431C #69901C
monochromatic
#080E2A #121E5D #1C2F90 #2640C3 #4A62DC
Accessibility & contrast
On white
11.30
#1C2F90 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.86
#1C2F90 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C2F90
11.30:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C2F90 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C2F90 | 1.00 | 11.30 | 1.86 | 11.30 |
| #FFFFFF | 11.30 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.86 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.30 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004093
Deuteranopia (green-blind)
#00358E
Tritanopia (blue-blind)
#00495B
Achromatopsia (no color)
#3A3A3A
Design tokens & code
CSS
--color: #1c2f90; /* rgb */ color: rgb(28, 47, 144); /* oklch */ color: oklch(36.2% 0.161 268.1);
Tailwind
colors: {
custom: {
50: '#6d67b1',
500: '#1c2f90',
950: '#000000',
},
}SCSS
$custom: #1c2f90; $custom-light: #6d67b1; $custom-dark: #000000;
JSON
{
"hex": "#1c2f90",
"rgb": {
"r": 28,
"g": 47,
"b": 144
},
"hsl": {
"h": 230.172,
"s": 67.442,
"l": 33.725
},
"oklch": {
"l": 0.36188,
"c": 0.1605,
"h": 268.1
},
"luminance": 0.04294
}Semantic roles & 50–950 ramp
primary
#1C2F90
secondary
#BEAB4A
accent
#CE3DEA
background
#F7F6FB
surface
#EDEBF6
border
#C8C6D0
text
#080611
muted
#7B7A80