#1C2BA0#1C2BA0
#1C2BA0 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.2% C 0.186 H 268.5°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).
Color values
| HEX | #1C2BA0 |
|---|---|
| RGB | rgb(28, 43, 160) |
| HSL | hsl(233, 70%, 37%) |
| HSV | hsv(233, 83%, 63%) |
| CMYK | cmyk(82.5%, 73.1%, 0%, 37.3%) |
| CIE-LAB | lab(25.30, 38.21, -64.11) |
| CIE-LCH | lch(25.30, 74.63, 300.80°) |
| OKLab | oklab(37.17% -0.0049 -0.1858) |
| OKLCH | oklch(37.17% 0.186 268.5) |
| XYZ | xyz(7.6857, 4.5118, 33.7167) |
| Luminance | 0.0451 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 3.78
Royal
#0C1793
ΔE00 4.93
Indigo Blue
#3A18B1
ΔE00 5.66
Cobalt Blue
#030AA7
ΔE00 6.18
Royal Blue (survey)
#0504AA
ΔE00 6.71
True Blue
#010FCC
ΔE00 6.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C2BA0 #A0911C
analogous
#1C6DA0 #1C2BA0 #4F1CA0
triadic
#1C2BA0 #A01C2B #2BA01C
tetradic
#1C2BA0 #A01C6D #A0911C #1CA04F
square
#1C2BA0 #A01C6D #A0911C #1CA04F
split-complementary
#1C2BA0 #A04F1C #6DA01C
monochromatic
#0A0F38 #131D6C #1C2BA0 #2539D4 #5565E1
Accessibility & contrast
On white
11.04
#1C2BA0 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.90
#1C2BA0 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C2BA0
11.04:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C2BA0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C2BA0 | 1.00 | 11.04 | 1.90 | 11.04 |
| #FFFFFF | 11.04 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.90 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.04 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0042A3
Deuteranopia (green-blind)
#00359E
Tritanopia (blue-blind)
#004D63
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #1c2ba0; /* rgb */ color: rgb(28, 43, 160); /* oklch */ color: oklch(37.2% 0.186 268.5);
Tailwind
colors: {
custom: {
50: '#7265bd',
500: '#1c2ba0',
950: '#000000',
},
}SCSS
$custom: #1c2ba0; $custom-light: #7265bd; $custom-dark: #000000;
JSON
{
"hex": "#1c2ba0",
"rgb": {
"r": 28,
"g": 43,
"b": 160
},
"hsl": {
"h": 233.182,
"s": 70.213,
"l": 36.863
},
"oklch": {
"l": 0.3717,
"c": 0.18583,
"h": 268.5
},
"luminance": 0.04513
}Semantic roles & 50–950 ramp
primary
#1C2BA0
secondary
#C4B853
accent
#D93BED
background
#F7F6FB
surface
#EEEBF7
border
#C9C6D0
text
#090512
muted
#7B7A81