#1D506B#1D506B
#1D506B is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.0% C 0.070 H 235.4°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).
Color values
| HEX | #1D506B |
|---|---|
| RGB | rgb(29, 80, 107) |
| HSL | hsl(201, 57%, 27%) |
| HSV | hsv(201, 73%, 42%) |
| CMYK | cmyk(72.9%, 25.2%, 0%, 58%) |
| CIE-LAB | lab(31.94, -7.25, -20.53) |
| CIE-LCH | lch(31.94, 21.77, 250.55°) |
| OKLab | oklab(41% -0.0398 -0.0577) |
| OKLCH | oklch(41% 0.07 235.4) |
| XYZ | xyz(6.0282, 7.0594, 14.9520) |
| Luminance | 0.0706 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 3.57
Dark Grey Blue
#29465B
ΔE00 4.55
Deep Sea Blue
#015482
ΔE00 5.04
Light Navy
#155084
ΔE00 6.55
Prussian Blue
#004577
ΔE00 7.16
Light Navy Blue
#2E5A88
ΔE00 7.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D506B #6B381D
analogous
#1D6B5F #1D506B #1D296B
triadic
#1D506B #6B1D50 #506B1D
tetradic
#1D506B #5F1D6B #6B381D #296B1D
square
#1D506B #5F1D6B #6B381D #296B1D
split-complementary
#1D506B #6B1D29 #6B5F1D
monochromatic
#071218 #102C3B #1D506B #2A749B #3997C9
Accessibility & contrast
On white
8.71
#1D506B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.41
#1D506B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1D506B
8.71:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D506B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D506B | 1.00 | 8.71 | 2.41 | 8.71 |
| #FFFFFF | 8.71 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.41 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.71 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#434F6C
Deuteranopia (green-blind)
#38486B
Tritanopia (blue-blind)
#005759
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #1d506b; /* rgb */ color: rgb(29, 80, 107); /* oklch */ color: oklch(41.0% 0.070 235.4);
Tailwind
colors: {
custom: {
50: '#648195',
500: '#1d506b',
950: '#000000',
},
}SCSS
$custom: #1d506b; $custom-light: #648195; $custom-dark: #000000;
JSON
{
"hex": "#1d506b",
"rgb": {
"r": 29,
"g": 80,
"b": 107
},
"hsl": {
"h": 200.769,
"s": 57.353,
"l": 26.667
},
"oklch": {
"l": 0.41004,
"c": 0.07012,
"h": 235.4
},
"luminance": 0.0706
}Semantic roles & 50–950 ramp
primary
#1D506B
secondary
#A06444
accent
#7C47E1
background
#F6F7F9
surface
#EBEEF1
border
#C6C9CB
text
#060A0D
muted
#7A7C7E