#253E9C#253E9C

#253E9C is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.156 H 267.5°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#253E9C
RGB	rgb(37, 62, 156)
HSL	hsl(227, 62%, 38%)
HSV	hsv(227, 76%, 61%)
CMYK	cmyk(76.3%, 60.3%, 0%, 38.8%)
CIE-LAB	lab(30.00, 25.16, -53.93)
CIE-LCH	lch(30.00, 59.51, 295.01°)
OKLab	oklab(40.61% -0.0069 -0.1557)
OKLCH	oklch(40.61% 0.156 267.5)
XYZ	xyz(8.4842, 6.2379, 32.2029)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E9C #9C8325

analogous

#25799C #253E9C #47259C

triadic

#253E9C #9C253E #3E9C25

tetradic

#253E9C #9C2579 #9C8325 #259C47

square

#253E9C #9C2579 #9C8325 #259C47

split-complementary

#253E9C #9C4725 #799C25

monochromatic

#0E1739 #192A6B #253E9C #3152CD #627BDA

Accessibility & contrast

On white

9.34

#253E9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#253E9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E9C

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E9C	#FFFFFF	#000000	##FFFFFF
##253E9C	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9F

Deuteranopia (green-blind)

#00419A

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #253e9c;
/* rgb */ color: rgb(37, 62, 156);
/* oklch */ color: oklch(40.6% 0.156 267.5);

Tailwind

colors: {
  custom: {
    50: '#7273ba',
    500: '#253e9c',
    950: '#000000',
  },
}

SCSS

$custom: #253e9c;
$custom-light: #7273ba;
$custom-dark: #000000;

JSON

{
  "hex": "#253e9c",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 156
  },
  "hsl": {
    "h": 227.395,
    "s": 61.658,
    "l": 37.843
  },
  "oklch": {
    "l": 0.40614,
    "c": 0.15589,
    "h": 267.5
  },
  "luminance": 0.06239
}

Semantic roles & 50–950 ramp

primary

#253E9C

secondary

#BFAB5E

accent

#C343E5

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #253E9C

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

Preview Lab → · Contrast checker → · Palette generator →