#253C61#253C61
#253C61 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.6% C 0.071 H 259.5°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).
Color values
| HEX | #253C61 |
|---|---|
| RGB | rgb(37, 60, 97) |
| HSL | hsl(217, 45%, 26%) |
| HSV | hsv(217, 62%, 38%) |
| CMYK | cmyk(61.9%, 38.1%, 0%, 62%) |
| CIE-LAB | lab(25.22, 3.68, -24.64) |
| CIE-LCH | lch(25.22, 24.91, 278.49°) |
| OKLab | oklab(35.64% -0.0129 -0.0697) |
| OKLCH | oklch(35.64% 0.071 259.5) |
| XYZ | xyz(4.5357, 4.4877, 11.9341) |
| Luminance | 0.0449 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Marine Blue
#01386A
ΔE00 4.14
Marine
#042E60
ΔE00 5.09
Twilight Blue
#0A437A
ΔE00 5.43
Darkish Blue
#014182
ΔE00 5.90
Navy Blue
#1B2A4A
ΔE00 6.16
Prussian Blue
#004577
ΔE00 6.31
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#253C61 #614A25
analogous
#255A61 #253C61 #2C2561
triadic
#253C61 #61253C #3C6125
tetradic
#253C61 #61255A #614A25 #25612C
square
#253C61 #61255A #614A25 #25612C
split-complementary
#253C61 #612C25 #5A6125
monochromatic
#080E16 #142135 #253C61 #36578D #4773B9
Accessibility & contrast
On white
11.07
#253C61 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.90
#253C61 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #253C61
11.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##253C61 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##253C61 | 1.00 | 11.07 | 1.90 | 11.07 |
| #FFFFFF | 11.07 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.90 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.07 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2D3F63
Deuteranopia (green-blind)
#253960
Tritanopia (blue-blind)
#00444A
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #253c61; /* rgb */ color: rgb(37, 60, 97); /* oklch */ color: oklch(35.6% 0.071 259.5);
Tailwind
colors: {
custom: {
50: '#65718e',
500: '#253c61',
950: '#000000',
},
}SCSS
$custom: #253c61; $custom-light: #65718e; $custom-dark: #000000;
JSON
{
"hex": "#253c61",
"rgb": {
"r": 37,
"g": 60,
"b": 97
},
"hsl": {
"h": 217,
"s": 44.776,
"l": 26.275
},
"oklch": {
"l": 0.35639,
"c": 0.07091,
"h": 259.5
},
"luminance": 0.04488
}Semantic roles & 50–950 ramp
primary
#253C61
secondary
#94794E
accent
#A353D4
background
#F6F6F8
surface
#EBECF0
border
#C6C7CB
text
#06070C
muted
#7A7A7D