#253F82#253F82

#253F82 is a dark, moderate blue. Relative luminance 0.056; OKLCH L 38.7% C 0.117 H 265.3°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#253F82
RGB	rgb(37, 63, 130)
HSL	hsl(223, 56%, 33%)
HSV	hsv(223, 72%, 51%)
CMYK	cmyk(71.5%, 51.5%, 0%, 49%)
CIE-LAB	lab(28.27, 14.35, -40.75)
CIE-LCH	lch(28.27, 43.20, 289.41°)
OKLab	oklab(38.67% -0.0096 -0.1169)
OKLCH	oklch(38.67% 0.117 265.3)
XYZ	xyz(6.5683, 5.5594, 21.8417)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253F82 #826825

analogous

#256D82 #253F82 #392582

triadic

#253F82 #82253F #3F8225

tetradic

#253F82 #82256D #826825 #258239

square

#253F82 #82256D #826825 #258239

split-complementary

#253F82 #823925 #6D8225

monochromatic

#0A1123 #172852 #253F82 #3356B2 #5376CE

Accessibility & contrast

On white

9.94

#253F82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#253F82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253F82

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253F82	#FFFFFF	#000000	##FFFFFF
##253F82	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184784

Deuteranopia (green-blind)

#003F81

Tritanopia (blue-blind)

#004F5A

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #253f82;
/* rgb */ color: rgb(37, 63, 130);
/* oklch */ color: oklch(38.7% 0.117 265.3);

Tailwind

colors: {
  custom: {
    50: '#6c73a7',
    500: '#253f82',
    950: '#000000',
  },
}

SCSS

$custom: #253f82;
$custom-light: #6c73a7;
$custom-dark: #000000;

JSON

{
  "hex": "#253f82",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 130
  },
  "hsl": {
    "h": 223.226,
    "s": 55.689,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38674,
    "c": 0.11734,
    "h": 265.3
  },
  "luminance": 0.0556
}

Semantic roles & 50–950 ramp

primary

#253F82

secondary

#B29750

accent

#B549DF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #253F82

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

Preview Lab → · Contrast checker → · Palette generator →