#123B6F#123B6F
#123B6F is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.5% C 0.101 H 256.3°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).
Color values
| HEX | #123B6F |
|---|---|
| RGB | rgb(18, 59, 111) |
| HSL | hsl(214, 72%, 25%) |
| HSV | hsv(214, 84%, 44%) |
| CMYK | cmyk(83.8%, 46.8%, 0%, 56.5%) |
| CIE-LAB | lab(24.96, 6.72, -34.11) |
| CIE-LCH | lch(24.96, 34.77, 281.14°) |
| OKLab | oklab(35.5% -0.0239 -0.0978) |
| OKLCH | oklch(35.5% 0.101 256.3) |
| XYZ | xyz(4.6816, 4.4037, 15.6391) |
| Luminance | 0.0440 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Marine Blue
#01386A
ΔE00 1.61
Darkish Blue
#014182
ΔE00 3.07
Twilight Blue
#0A437A
ΔE00 3.14
Marine
#042E60
ΔE00 4.22
Prussian Blue
#004577
ΔE00 4.44
Cobalt (survey)
#1E488F
ΔE00 5.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#123B6F #6F4612
analogous
#126A6F #123B6F #17126F
triadic
#123B6F #6F123B #3B6F12
tetradic
#123B6F #6F126A #6F4612 #126F17
square
#123B6F #6F126A #6F4612 #126F17
split-complementary
#123B6F #6F1712 #6A6F12
monochromatic
#040E1A #091F3A #123B6F #1B57A4 #2373D8
Accessibility & contrast
On white
11.17
#123B6F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.88
#123B6F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #123B6F
11.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##123B6F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##123B6F | 1.00 | 11.17 | 1.88 | 11.17 |
| #FFFFFF | 11.17 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.88 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.17 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#204071
Deuteranopia (green-blind)
#0C376E
Tritanopia (blue-blind)
#00474F
Achromatopsia (no color)
#3B3B3B
Design tokens & code
CSS
--color: #123b6f; /* rgb */ color: rgb(18, 59, 111); /* oklch */ color: oklch(35.5% 0.101 256.3);
Tailwind
colors: {
custom: {
50: '#617099',
500: '#123b6f',
950: '#000000',
},
}SCSS
$custom: #123b6f; $custom-light: #617099; $custom-dark: #000000;
JSON
{
"hex": "#123b6f",
"rgb": {
"r": 18,
"g": 59,
"b": 111
},
"hsl": {
"h": 213.548,
"s": 72.093,
"l": 25.294
},
"oklch": {
"l": 0.35496,
"c": 0.10071,
"h": 256.3
},
"luminance": 0.04404
}Semantic roles & 50–950 ramp
primary
#123B6F
secondary
#A67537
accent
#9F39EF
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070E
muted
#7A7A7E