#1C456B#1C456B
#1C456B is a dark, moderate cyan. Relative luminance 0.056; OKLCH L 38.1% C 0.080 H 249.2°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).
Color values
| HEX | #1C456B |
|---|---|
| RGB | rgb(28, 69, 107) |
| HSL | hsl(209, 59%, 26%) |
| HSV | hsv(209, 74%, 42%) |
| CMYK | cmyk(73.8%, 35.5%, 0%, 58%) |
| CIE-LAB | lab(28.29, -0.34, -26.26) |
| CIE-LCH | lch(28.29, 26.26, 269.25°) |
| OKLab | oklab(38.1% -0.0283 -0.0745) |
| OKLCH | oklch(38.1% 0.08 249.2) |
| XYZ | xyz(5.2599, 5.5641, 14.7038) |
| Luminance | 0.0556 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Prussian Blue
#004577
ΔE00 2.29
Twilight Blue
#0A437A
ΔE00 2.67
Darkish Blue
#014182
ΔE00 3.79
Dark Slate Blue
#214761
ΔE00 4.12
Light Navy
#155084
ΔE00 4.52
Marine Blue
#01386A
ΔE00 4.53
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C456B #6B421C
analogous
#1C6B6A #1C456B #1C1D6B
triadic
#1C456B #6B1C45 #456B1C
tetradic
#1C456B #6A1C6B #6B421C #1D6B1C
square
#1C456B #6A1C6B #6B421C #1D6B1C
split-complementary
#1C456B #6B1C1D #6B6A1C
monochromatic
#061018 #0F263A #1C456B #29649C #3784CB
Accessibility & contrast
On white
9.94
#1C456B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.11
#1C456B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1C456B
9.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C456B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1C456B | 1.00 | 9.94 | 2.11 | 9.94 |
| #FFFFFF | 9.94 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.11 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.94 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#34476D
Deuteranopia (green-blind)
#293F6A
Tritanopia (blue-blind)
#004E53
Achromatopsia (no color)
#434343
Design tokens & code
CSS
--color: #1c456b; /* rgb */ color: rgb(28, 69, 107); /* oklch */ color: oklch(38.1% 0.080 249.2);
Tailwind
colors: {
custom: {
50: '#637895',
500: '#1c456b',
950: '#000000',
},
}SCSS
$custom: #1c456b; $custom-light: #637895; $custom-dark: #000000;
JSON
{
"hex": "#1c456b",
"rgb": {
"r": 28,
"g": 69,
"b": 107
},
"hsl": {
"h": 208.861,
"s": 58.519,
"l": 26.471
},
"oklch": {
"l": 0.38103,
"c": 0.07966,
"h": 249.2
},
"luminance": 0.05565
}Semantic roles & 50–950 ramp
primary
#1C456B
secondary
#A07043
accent
#9146E2
background
#F6F7F9
surface
#EBEDF1
border
#C6C8CB
text
#06080D
muted
#7A7B7E