#23397D#23397D
#23397D is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.8% C 0.119 H 266.9°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).
Color values
| HEX | #23397D |
|---|---|
| RGB | rgb(35, 57, 125) |
| HSL | hsl(225, 56%, 31%) |
| HSV | hsv(225, 72%, 49%) |
| CMYK | cmyk(72%, 54.4%, 0%, 51%) |
| CIE-LAB | lab(26.05, 16.24, -41.21) |
| CIE-LCH | lch(26.05, 44.29, 291.51°) |
| OKLab | oklab(36.84% -0.0064 -0.1184) |
| OKLCH | oklch(36.84% 0.119 266.9) |
| XYZ | xyz(5.8567, 4.7637, 20.0089) |
| Luminance | 0.0476 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Darkish Blue
#014182
ΔE00 5.15
Marine Blue
#01386A
ΔE00 5.37
Cobalt (survey)
#1E488F
ΔE00 5.65
Marine
#042E60
ΔE00 5.74
Twilight Blue
#0A437A
ΔE00 6.01
Blueberry
#464196
ΔE00 6.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#23397D #7D6723
analogous
#23667D #23397D #3A237D
triadic
#23397D #7D2339 #397D23
tetradic
#23397D #7D2366 #7D6723 #237D3A
square
#23397D #7D2366 #7D6723 #237D3A
split-complementary
#23397D #7D3A23 #667D23
monochromatic
#080D1D #16234D #23397D #304FAD #4D6CCD
Accessibility & contrast
On white
10.75
#23397D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.95
#23397D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #23397D
10.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##23397D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##23397D | 1.00 | 10.75 | 1.95 | 10.75 |
| #FFFFFF | 10.75 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.95 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.75 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0C427F
Deuteranopia (green-blind)
#003A7C
Tritanopia (blue-blind)
#004955
Achromatopsia (no color)
#3E3E3E
Design tokens & code
CSS
--color: #23397d; /* rgb */ color: rgb(35, 57, 125); /* oklch */ color: oklch(36.8% 0.119 266.9);
Tailwind
colors: {
custom: {
50: '#6a6fa3',
500: '#23397d',
950: '#000000',
},
}SCSS
$custom: #23397d; $custom-light: #6a6fa3; $custom-dark: #000000;
JSON
{
"hex": "#23397d",
"rgb": {
"r": 35,
"g": 57,
"b": 125
},
"hsl": {
"h": 225.333,
"s": 56.25,
"l": 31.373
},
"oklch": {
"l": 0.36842,
"c": 0.11861,
"h": 266.9
},
"luminance": 0.04764
}Semantic roles & 50–950 ramp
primary
#23397D
secondary
#AF974C
accent
#BB48E0
background
#F6F6FA
surface
#ECECF4
border
#C7C7CE
text
#07070F
muted
#7A7A7F