#253C9C#253C9C

#253C9C is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.2% C 0.158 H 268.0°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#253C9C
RGB	rgb(37, 60, 156)
HSL	hsl(228, 62%, 38%)
HSV	hsv(228, 76%, 61%)
CMYK	cmyk(76.3%, 61.5%, 0%, 38.8%)
CIE-LAB	lab(29.47, 26.51, -54.80)
CIE-LCH	lch(29.47, 60.87, 295.81°)
OKLab	oklab(40.22% -0.0055 -0.1583)
OKLCH	oklch(40.22% 0.158 268)
XYZ	xyz(8.3775, 6.0244, 32.1674)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C9C #9C8525

analogous

#25789C #253C9C #49259C

triadic

#253C9C #9C253C #3C9C25

tetradic

#253C9C #9C2578 #9C8525 #259C49

square

#253C9C #9C2578 #9C8525 #259C49

split-complementary

#253C9C #9C4925 #789C25

monochromatic

#0E1639 #19296B #253C9C #314FCD #6279DA

Accessibility & contrast

On white

9.52

#253C9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#253C9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C9C

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C9C	#FFFFFF	#000000	##FFFFFF
##253C9C	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9F

Deuteranopia (green-blind)

#00409A

Tritanopia (blue-blind)

#005466

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #253c9c;
/* rgb */ color: rgb(37, 60, 156);
/* oklch */ color: oklch(40.2% 0.158 268.0);

Tailwind

colors: {
  custom: {
    50: '#7271ba',
    500: '#253c9c',
    950: '#000000',
  },
}

SCSS

$custom: #253c9c;
$custom-light: #7271ba;
$custom-dark: #000000;

JSON

{
  "hex": "#253c9c",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 156
  },
  "hsl": {
    "h": 228.403,
    "s": 61.658,
    "l": 37.843
  },
  "oklch": {
    "l": 0.40219,
    "c": 0.15841,
    "h": 268
  },
  "luminance": 0.06025
}

Semantic roles & 50–950 ramp

primary

#253C9C

secondary

#BFAC5E

accent

#C543E5

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #253C9C

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

Preview Lab → · Contrast checker → · Palette generator →