#303F4E#303F4E
#303F4E is a dark, muted cyan. Relative luminance 0.047; OKLCH L 36.1% C 0.033 H 248.8°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).
Color values
| HEX | #303F4E |
|---|---|
| RGB | rgb(48, 63, 78) |
| HSL | hsl(210, 24%, 25%) |
| HSV | hsv(210, 38%, 31%) |
| CMYK | cmyk(38.5%, 19.2%, 0%, 69.4%) |
| CIE-LAB | lab(25.96, -1.73, -11.03) |
| CIE-LCH | lch(25.96, 11.17, 261.10°) |
| OKLab | oklab(36.09% -0.0118 -0.0304) |
| OKLCH | oklch(36.09% 0.033 248.8) |
| XYZ | xyz(4.3711, 4.7332, 7.8895) |
| Luminance | 0.0473 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Charcoal
#36454F
ΔE00 3.49
Dark Blue Grey
#1F3B4D
ΔE00 3.96
Dark Grey Blue
#29465B
ΔE00 4.21
Dark Slate Blue
#214761
ΔE00 5.88
Gunmetal
#2A3439
ΔE00 6.24
Charcoal Grey
#3C4142
ΔE00 7.66
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#303F4E #4E3F30
analogous
#304E4E #303F4E #30304E
triadic
#303F4E #4E303F #3F4E30
tetradic
#303F4E #4E304E #4E3F30 #304E30
square
#303F4E #4E304E #4E3F30 #304E30
split-complementary
#303F4E #4E3030 #4E4E30
monochromatic
#0C0F13 #192028 #303F4E #475E74 #5F7C9A
Accessibility & contrast
On white
10.79
#303F4E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.95
#303F4E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #303F4E
10.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##303F4E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##303F4E | 1.00 | 10.79 | 1.95 | 10.79 |
| #FFFFFF | 10.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.95 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#393F4F
Deuteranopia (green-blind)
#363C4E
Tritanopia (blue-blind)
#264244
Achromatopsia (no color)
#3D3D3D
Design tokens & code
CSS
--color: #303f4e; /* rgb */ color: rgb(48, 63, 78); /* oklch */ color: oklch(36.1% 0.033 248.8);
Tailwind
colors: {
custom: {
50: '#69747f',
500: '#303f4e',
950: '#000000',
},
}SCSS
$custom: #303f4e; $custom-light: #69747f; $custom-dark: #000000;
JSON
{
"hex": "#303f4e",
"rgb": {
"r": 48,
"g": 63,
"b": 78
},
"hsl": {
"h": 210,
"s": 23.81,
"l": 24.706
},
"oklch": {
"l": 0.36094,
"c": 0.03262,
"h": 248.8
},
"luminance": 0.04733
}Semantic roles & 50–950 ramp
primary
#303F4E
secondary
#7F6D5B
accent
#9468C0
background
#F6F7F7
surface
#EBEDEE
border
#C6C8C9
text
#06080A
muted
#7A7B7C