#1C5283#1C5283
#1C5283 is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.9% C 0.099 H 249.5°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).
Color values
| HEX | #1C5283 |
|---|---|
| RGB | rgb(28, 82, 131) |
| HSL | hsl(209, 65%, 31%) |
| HSV | hsv(209, 79%, 51%) |
| CMYK | cmyk(78.6%, 37.4%, 0%, 48.6%) |
| CIE-LAB | lab(33.81, 0.61, -32.52) |
| CIE-LCH | lch(33.81, 32.53, 271.07°) |
| OKLab | oklab(42.89% -0.0345 -0.0926) |
| OKLCH | oklch(42.89% 0.099 249.5) |
| XYZ | xyz(7.5914, 7.9193, 22.5968) |
| Luminance | 0.0792 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Navy
#155084
ΔE00 0.76
Dusk Blue
#26538D
ΔE00 2.40
Deep Sea Blue
#015482
ΔE00 2.86
Light Navy Blue
#2E5A88
ΔE00 2.96
Prussian Blue
#004577
ΔE00 4.32
Cobalt (survey)
#1E488F
ΔE00 4.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C5283 #834D1C
analogous
#1C8380 #1C5283 #1C1E83
triadic
#1C5283 #831C52 #52831C
tetradic
#1C5283 #801C83 #834D1C #1E831C
square
#1C5283 #801C83 #834D1C #1E831C
split-complementary
#1C5283 #831C1E #83801C
monochromatic
#06131E #113251 #1C5283 #2772B5 #4390D7
Accessibility & contrast
On white
8.13
#1C5283 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.58
#1C5283 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C5283
8.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C5283 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C5283 | 1.00 | 8.13 | 2.58 | 8.13 |
| #FFFFFF | 8.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.58 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3B5585
Deuteranopia (green-blind)
#2C4B82
Tritanopia (blue-blind)
#005E64
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #1c5283; /* rgb */ color: rgb(28, 82, 131); /* oklch */ color: oklch(42.9% 0.099 249.5);
Tailwind
colors: {
custom: {
50: '#6882a7',
500: '#1c5283',
950: '#000000',
},
}SCSS
$custom: #1c5283; $custom-light: #6882a7; $custom-dark: #000000;
JSON
{
"hex": "#1c5283",
"rgb": {
"r": 28,
"g": 82,
"b": 131
},
"hsl": {
"h": 208.544,
"s": 64.78,
"l": 31.176
},
"oklch": {
"l": 0.42886,
"c": 0.09884,
"h": 249.5
},
"luminance": 0.0792
}Semantic roles & 50–950 ramp
primary
#1C5283
secondary
#B67B45
accent
#9040E8
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A0F
muted
#7A7C7F