#2D307D#2D307D
#2D307D is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.6% C 0.128 H 276.1°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).
Color values
| HEX | #2D307D |
|---|---|
| RGB | rgb(45, 48, 125) |
| HSL | hsl(238, 47%, 33%) |
| HSV | hsv(238, 64%, 49%) |
| CMYK | cmyk(64%, 61.6%, 0%, 51%) |
| CIE-LAB | lab(24.17, 24.16, -44.23) |
| CIE-LCH | lch(24.17, 50.40, 298.64°) |
| OKLab | oklab(35.6% 0.0135 -0.1272) |
| OKLCH | oklch(35.6% 0.128 276.1) |
| XYZ | xyz(5.8396, 4.1520, 19.8917) |
| Luminance | 0.0415 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Darkslateblue
#483D8B
ΔE00 5.44
Blueberry
#464196
ΔE00 6.35
Midnight Blue
#191970
ΔE00 6.46
Sapphire (survey)
#2138AB
ΔE00 7.17
Marine
#042E60
ΔE00 7.72
Royal
#0C1793
ΔE00 7.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2D307D #7D7A2D
analogous
#2D587D #2D307D #522D7D
triadic
#2D307D #7D2D30 #307D2D
tetradic
#2D307D #7D2D58 #7D7A2D #2D7D52
square
#2D307D #7D2D58 #7D7A2D #2D7D52
split-complementary
#2D307D #7D522D #587D2D
monochromatic
#0D0D23 #1D1F50 #2D307D #3D41AA #5F63C5
Accessibility & contrast
On white
11.47
#2D307D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.83
#2D307D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2D307D
11.47:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2D307D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2D307D | 1.00 | 11.47 | 1.83 | 11.47 |
| #FFFFFF | 11.47 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.83 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.47 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003D80
Deuteranopia (green-blind)
#00367B
Tritanopia (blue-blind)
#004351
Achromatopsia (no color)
#393939
Design tokens & code
CSS
--color: #2d307d; /* rgb */ color: rgb(45, 48, 125); /* oklch */ color: oklch(35.6% 0.128 276.1);
Tailwind
colors: {
custom: {
50: '#6f68a3',
500: '#2d307d',
950: '#000000',
},
}SCSS
$custom: #2d307d; $custom-light: #6f68a3; $custom-dark: #000000;
JSON
{
"hex": "#2d307d",
"rgb": {
"r": 45,
"g": 48,
"b": 125
},
"hsl": {
"h": 237.75,
"s": 47.059,
"l": 33.333
},
"oklch": {
"l": 0.35598,
"c": 0.12791,
"h": 276.1
},
"luminance": 0.04152
}Semantic roles & 50–950 ramp
primary
#2D307D
secondary
#ACA95A
accent
#D251D7
background
#F7F6FA
surface
#EDEBF4
border
#C8C6CE
text
#08060F
muted
#7B7A7F