#1B433B#1B433B
#1B433B is a dark, muted teal. Relative luminance 0.046; OKLCH L 35.1% C 0.047 H 178.4°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).
Color values
| HEX | #1B433B |
|---|---|
| RGB | rgb(27, 67, 59) |
| HSL | hsl(168, 43%, 18%) |
| HSV | hsv(168, 60%, 26%) |
| CMYK | cmyk(59.7%, 0%, 11.9%, 73.7%) |
| CIE-LAB | lab(25.45, -16.41, 0.59) |
| CIE-LCH | lch(25.45, 16.42, 177.95°) |
| OKLab | oklab(35.14% -0.0474 0.0013) |
| OKLCH | oklch(35.14% 0.047 178.4) |
| XYZ | xyz(3.2482, 4.5628, 4.8464) |
| Luminance | 0.0456 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Teal
#014D4E
ΔE00 6.09
Dark Blue Green
#005249
ΔE00 6.14
Darkslategray
#2F4F4F
ΔE00 6.68
Deep Teal
#00555A
ΔE00 8.94
Evergreen
#05472A
ΔE00 8.97
Dark Turquoise
#045C5A
ΔE00 9.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B433B #431B23
analogous
#1B4327 #1B433B #1B3743
triadic
#1B433B #3B1B43 #433B1B
tetradic
#1B433B #271B43 #431B23 #37431B
square
#1B433B #271B43 #431B23 #37431B
split-complementary
#1B433B #431B37 #43271B
monochromatic
#091613 #091715 #1B433B #2D6F61 #3E9A88
Accessibility & contrast
On white
10.98
#1B433B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.91
#1B433B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B433B
10.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B433B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B433B | 1.00 | 10.98 | 1.91 | 10.98 |
| #FFFFFF | 10.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#403F3B
Deuteranopia (green-blind)
#3A3A3C
Tritanopia (blue-blind)
#054441
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #1b433b; /* rgb */ color: rgb(27, 67, 59); /* oklch */ color: oklch(35.1% 0.047 178.4);
Tailwind
colors: {
custom: {
50: '#5c7770',
500: '#1b433b',
950: '#000000',
},
}SCSS
$custom: #1b433b; $custom-light: #5c7770; $custom-dark: #000000;
JSON
{
"hex": "#1b433b",
"rgb": {
"r": 27,
"g": 67,
"b": 59
},
"hsl": {
"h": 168,
"s": 42.553,
"l": 18.431
},
"oklch": {
"l": 0.35136,
"c": 0.04746,
"h": 178.4
},
"luminance": 0.04563
}Semantic roles & 50–950 ramp
primary
#1B433B
secondary
#79414C
accent
#556ED2
background
#F5F7F6
surface
#E9EDEC
border
#C5C8C7
text
#040807
muted
#797B7A