#1D3E63#1D3E63
#1D3E63 is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.8% C 0.075 H 252.9°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).
Color values
| HEX | #1D3E63 |
|---|---|
| RGB | rgb(29, 62, 99) |
| HSL | hsl(212, 55%, 25%) |
| HSV | hsv(212, 71%, 39%) |
| CMYK | cmyk(70.7%, 37.4%, 0%, 61.2%) |
| CIE-LAB | lab(25.58, 1.38, -25.39) |
| CIE-LCH | lch(25.58, 25.43, 273.11°) |
| OKLab | oklab(35.85% -0.0221 -0.072) |
| OKLCH | oklch(35.85% 0.075 252.9) |
| XYZ | xyz(4.4806, 4.6069, 12.4550) |
| Luminance | 0.0461 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Marine Blue
#01386A
ΔE00 2.97
Twilight Blue
#0A437A
ΔE00 3.71
Prussian Blue
#004577
ΔE00 4.20
Darkish Blue
#014182
ΔE00 4.42
Marine
#042E60
ΔE00 5.43
Dark Slate Blue
#214761
ΔE00 5.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1D3E63 #63421D
analogous
#1D6163 #1D3E63 #1F1D63
triadic
#1D3E63 #631D3E #3E631D
tetradic
#1D3E63 #631D61 #63421D #1D631F
square
#1D3E63 #631D61 #63421D #1D631F
split-complementary
#1D3E63 #631F1D #61631D
monochromatic
#070F18 #0F2034 #1D3E63 #2B5C92 #3979C2
Accessibility & contrast
On white
10.93
#1D3E63 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.92
#1D3E63 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1D3E63
10.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1D3E63 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1D3E63 | 1.00 | 10.93 | 1.92 | 10.93 |
| #FFFFFF | 10.93 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.92 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.93 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2E4065
Deuteranopia (green-blind)
#243A62
Tritanopia (blue-blind)
#00474B
Achromatopsia (no color)
#3D3D3D
Design tokens & code
CSS
--color: #1d3e63; /* rgb */ color: rgb(29, 62, 99); /* oklch */ color: oklch(35.8% 0.075 252.9);
Tailwind
colors: {
custom: {
50: '#62738f',
500: '#1d3e63',
950: '#000000',
},
}SCSS
$custom: #1d3e63; $custom-light: #62738f; $custom-dark: #000000;
JSON
{
"hex": "#1d3e63",
"rgb": {
"r": 29,
"g": 62,
"b": 99
},
"hsl": {
"h": 211.714,
"s": 54.688,
"l": 25.098
},
"oklch": {
"l": 0.35848,
"c": 0.07535,
"h": 252.9
},
"luminance": 0.04607
}Semantic roles & 50–950 ramp
primary
#1D3E63
secondary
#987044
accent
#984ADE
background
#F6F6F8
surface
#EBECF0
border
#C6C7CB
text
#05080C
muted
#7A7B7D