#17435B#17435B
#17435B is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.4% C 0.063 H 236.2°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).
Color values
| HEX | #17435B |
|---|---|
| RGB | rgb(23, 67, 91) |
| HSL | hsl(201, 60%, 22%) |
| HSV | hsv(201, 75%, 36%) |
| CMYK | cmyk(74.7%, 26.4%, 0%, 64.3%) |
| CIE-LAB | lab(26.60, -6.16, -18.64) |
| CIE-LCH | lch(26.60, 19.63, 251.72°) |
| OKLab | oklab(36.44% -0.0351 -0.0524) |
| OKLCH | oklch(36.44% 0.063 236.2) |
| XYZ | xyz(4.2481, 4.9513, 10.6273) |
| Luminance | 0.0495 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 2.20
Dark Grey Blue
#29465B
ΔE00 2.73
Dark Blue Grey
#1F3B4D
ΔE00 3.57
Prussian Blue
#004577
ΔE00 6.70
Charcoal
#36454F
ΔE00 6.99
Twilight Blue
#0A437A
ΔE00 7.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#17435B #5B2F17
analogous
#175B51 #17435B #17215B
triadic
#17435B #5B1743 #435B17
tetradic
#17435B #51175B #5B2F17 #215B17
square
#17435B #51175B #5B2F17 #215B17
split-complementary
#17435B #5B1721 #5B5117
monochromatic
#061218 #0B1F2A #17435B #23678C #308BBD
Accessibility & contrast
On white
10.55
#17435B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.99
#17435B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #17435B
10.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##17435B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##17435B | 1.00 | 10.55 | 1.99 | 10.55 |
| #FFFFFF | 10.55 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.55 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#38435C
Deuteranopia (green-blind)
#2E3C5B
Tritanopia (blue-blind)
#00494B
Achromatopsia (no color)
#3F3F3F
Design tokens & code
CSS
--color: #17435b; /* rgb */ color: rgb(23, 67, 91); /* oklch */ color: oklch(36.4% 0.063 236.2);
Tailwind
colors: {
custom: {
50: '#5e7789',
500: '#17435b',
950: '#000000',
},
}SCSS
$custom: #17435b; $custom-light: #5e7789; $custom-dark: #000000;
JSON
{
"hex": "#17435b",
"rgb": {
"r": 23,
"g": 67,
"b": 91
},
"hsl": {
"h": 201.176,
"s": 59.649,
"l": 22.353
},
"oklch": {
"l": 0.36441,
"c": 0.06312,
"h": 236.2
},
"luminance": 0.04952
}Semantic roles & 50–950 ramp
primary
#17435B
secondary
#925A3C
accent
#7D45E3
background
#F5F7F8
surface
#E9EDF0
border
#C5C8CB
text
#05080B
muted
#797B7C