#233ABC#233ABC
#233ABC is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 42.8% C 0.203 H 267.9°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).
Color values
| HEX | #233ABC |
|---|---|
| RGB | rgb(35, 58, 188) |
| HSL | hsl(231, 69%, 44%) |
| HSV | hsv(231, 81%, 74%) |
| CMYK | cmyk(81.4%, 69.1%, 0%, 26.3%) |
| CIE-LAB | lab(31.84, 39.52, -70.08) |
| CIE-LCH | lch(31.84, 80.46, 299.42°) |
| OKLab | oklab(42.83% -0.0076 -0.2031) |
| OKLCH | oklch(42.83% 0.203 267.9) |
| XYZ | xyz(11.2801, 7.0129, 48.3263) |
| Luminance | 0.0701 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.40
Blue Blue
#2242C7
ΔE00 2.65
Blue (survey)
#0343DF
ΔE00 4.99
Ocean Blue
#4F42B5
ΔE00 5.14
Blue With A Hint Of Purple
#533CC6
ΔE00 5.67
Blurple
#5539CC
ΔE00 6.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#233ABC #BCA523
analogous
#2386BC #233ABC #5823BC
triadic
#233ABC #BC233A #3ABC23
tetradic
#233ABC #BC2386 #BCA523 #23BC58
square
#233ABC #BC2386 #BCA523 #23BC58
split-complementary
#233ABC #BC5823 #86BC23
monochromatic
#101A55 #192A88 #233ABC #4158DC #7485E5
Accessibility & contrast
On white
8.74
#233ABC on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.40
#233ABC on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #233ABC
8.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##233ABC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##233ABC | 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)
#0052C0
Deuteranopia (green-blind)
#0044BA
Tritanopia (blue-blind)
#005E76
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #233abc; /* rgb */ color: rgb(35, 58, 188); /* oklch */ color: oklch(42.8% 0.203 267.9);
Tailwind
colors: {
custom: {
50: '#7a70d1',
500: '#233abc',
950: '#000000',
},
}SCSS
$custom: #233abc; $custom-light: #7a70d1; $custom-dark: #000000;
JSON
{
"hex": "#233abc",
"rgb": {
"r": 35,
"g": 58,
"b": 188
},
"hsl": {
"h": 230.98,
"s": 68.61,
"l": 43.725
},
"oklch": {
"l": 0.42827,
"c": 0.2032,
"h": 267.9
},
"luminance": 0.07014
}Semantic roles & 50–950 ramp
primary
#233ABC
secondary
#CCBE6F
accent
#D13CEB
background
#F8F6FD
surface
#EFECFA
border
#CAC7D3
text
#0B0714
muted
#7C7A83