#23498C#23498C
#23498C is a dark, moderate blue. Relative luminance 0.070; OKLCH L 41.6% C 0.120 H 260.8°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).
Color values
| HEX | #23498C |
|---|---|
| RGB | rgb(35, 73, 140) |
| HSL | hsl(218, 60%, 34%) |
| HSV | hsv(218, 75%, 55%) |
| CMYK | cmyk(75%, 47.9%, 0%, 45.1%) |
| CIE-LAB | lab(31.84, 11.14, -41.19) |
| CIE-LCH | lch(31.84, 42.67, 285.13°) |
| OKLab | oklab(41.6% -0.0191 -0.1181) |
| OKLCH | oklch(41.6% 0.12 260.8) |
| XYZ | xyz(7.8076, 7.0150, 25.7484) |
| Luminance | 0.0702 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 0.63
Darkish Blue
#014182
ΔE00 3.40
Dusk Blue
#26538D
ΔE00 3.60
Twilight Blue
#0A437A
ΔE00 3.82
Cobalt
#0047AB
ΔE00 4.23
Light Navy
#155084
ΔE00 4.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#23498C #8C6623
analogous
#237E8C #23498C #32238C
triadic
#23498C #8C2349 #498C23
tetradic
#23498C #8C237E #8C6623 #238C32
square
#23498C #8C237E #8C6623 #238C32
split-complementary
#23498C #8C3223 #7E8C23
monochromatic
#0B162A #172F5B #23498C #2F63BD #5583D4
Accessibility & contrast
On white
8.74
#23498C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.40
#23498C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #23498C
8.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##23498C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##23498C | 1.00 | 8.74 | 2.40 | 8.74 |
| #FFFFFF | 8.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#26508F
Deuteranopia (green-blind)
#0C468B
Tritanopia (blue-blind)
#005963
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #23498c; /* rgb */ color: rgb(35, 73, 140); /* oklch */ color: oklch(41.6% 0.120 260.8);
Tailwind
colors: {
custom: {
50: '#6d7bae',
500: '#23498c',
950: '#000000',
},
}SCSS
$custom: #23498c; $custom-light: #6d7bae; $custom-dark: #000000;
JSON
{
"hex": "#23498c",
"rgb": {
"r": 35,
"g": 73,
"b": 140
},
"hsl": {
"h": 218.286,
"s": 60,
"l": 34.314
},
"oklch": {
"l": 0.41601,
"c": 0.11966,
"h": 260.8
},
"luminance": 0.07016
}Semantic roles & 50–950 ramp
primary
#23498C
secondary
#B89452
accent
#AA45E3
background
#F7F7FA
surface
#EDEDF4
border
#C8C8CE
text
#080910
muted
#7B7B7F