#263DAB#263DAB
#263DAB is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.8% C 0.177 H 268.2°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).
Color values
| HEX | #263DAB |
|---|---|
| RGB | rgb(38, 61, 171) |
| HSL | hsl(230, 64%, 41%) |
| HSV | hsv(230, 78%, 67%) |
| CMYK | cmyk(77.8%, 64.3%, 0%, 32.9%) |
| CIE-LAB | lab(31.09, 31.62, -61.21) |
| CIE-LCH | lch(31.09, 68.89, 297.32°) |
| OKLab | oklab(41.83% -0.0055 -0.1771) |
| OKLCH | oklch(41.83% 0.177 268.2) |
| XYZ | xyz(9.8162, 6.6887, 39.2939) |
| Luminance | 0.0669 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.46
Blue Blue
#2242C7
ΔE00 3.91
Cobalt
#0047AB
ΔE00 4.75
Blueberry
#464196
ΔE00 5.38
Ocean Blue
#4F42B5
ΔE00 5.59
Blue (survey)
#0343DF
ΔE00 6.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#263DAB #AB9426
analogous
#267FAB #263DAB #5126AB
triadic
#263DAB #AB263D #3DAB26
tetradic
#263DAB #AB267F #AB9426 #26AB51
square
#263DAB #AB267F #AB9426 #26AB51
split-complementary
#263DAB #AB5126 #7FAB26
monochromatic
#101947 #1B2B79 #263DAB #3B55D3 #6D81DF
Accessibility & contrast
On white
8.98
#263DAB on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.34
#263DAB on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #263DAB
8.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##263DAB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##263DAB | 1.00 | 8.98 | 2.34 | 8.98 |
| #FFFFFF | 8.98 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.98 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050AF
Deuteranopia (green-blind)
#0043A9
Tritanopia (blue-blind)
#005A6E
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #263dab; /* rgb */ color: rgb(38, 61, 171); /* oklch */ color: oklch(41.8% 0.177 268.2);
Tailwind
colors: {
custom: {
50: '#7672c5',
500: '#263dab',
950: '#000000',
},
}SCSS
$custom: #263dab; $custom-light: #7672c5; $custom-dark: #000000;
JSON
{
"hex": "#263dab",
"rgb": {
"r": 38,
"g": 61,
"b": 171
},
"hsl": {
"h": 229.624,
"s": 63.636,
"l": 40.98
},
"oklch": {
"l": 0.4183,
"c": 0.17715,
"h": 268.2
},
"luminance": 0.0669
}Semantic roles & 50–950 ramp
primary
#263DAB
secondary
#C5B568
accent
#CA41E7
background
#F7F6FC
surface
#EEECF8
border
#C9C7D1
text
#0A0813
muted
#7C7B82