#253C68#253C68

#253C68 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.1% C 0.082 H 262.2°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#253C68
RGB	rgb(37, 60, 104)
HSL	hsl(219, 48%, 28%)
HSV	hsv(219, 64%, 41%)
CMYK	cmyk(64.4%, 42.3%, 0%, 59.2%)
CIE-LAB	lab(25.64, 6.33, -28.51)
CIE-LCH	lch(25.64, 29.20, 282.52°)
OKLab	oklab(36.09% -0.0111 -0.081)
OKLCH	oklch(36.09% 0.082 262.2)
XYZ	xyz(4.8766, 4.6241, 13.7296)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C68 #685125

analogous

#255D68 #253C68 #2F2568

triadic

#253C68 #68253C #3C6825

tetradic

#253C68 #68255D #685125 #25682F

square

#253C68 #68255D #685125 #25682F

split-complementary

#253C68 #682F25 #5D6825

monochromatic

#080D17 #15223B #253C68 #355695 #4971BE

Accessibility & contrast

On white

10.91

#253C68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#253C68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C68

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C68	#FFFFFF	#000000	##FFFFFF
##253C68	1.00	10.91	1.93	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29406A

Deuteranopia (green-blind)

#203A67

Tritanopia (blue-blind)

#00464D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #253c68;
/* rgb */ color: rgb(37, 60, 104);
/* oklch */ color: oklch(36.1% 0.082 262.2);

Tailwind

colors: {
  custom: {
    50: '#667193',
    500: '#253c68',
    950: '#000000',
  },
}

SCSS

$custom: #253c68;
$custom-light: #667193;
$custom-dark: #000000;

JSON

{
  "hex": "#253c68",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 104
  },
  "hsl": {
    "h": 219.403,
    "s": 47.518,
    "l": 27.647
  },
  "oklch": {
    "l": 0.36094,
    "c": 0.08178,
    "h": 262.2
  },
  "luminance": 0.04625
}

Semantic roles & 50–950 ramp

primary

#253C68

secondary

#9B814E

accent

#A951D7

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #253C68

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →