#253F68#253F68

#253F68 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.8% C 0.078 H 259.2°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#253F68
RGB	rgb(37, 63, 104)
HSL	hsl(217, 48%, 28%)
HSV	hsv(217, 64%, 41%)
CMYK	cmyk(64.4%, 39.4%, 0%, 59.2%)
CIE-LAB	lab(26.58, 4.27, -27.00)
CIE-LCH	lch(26.58, 27.34, 278.99°)
OKLab	oklab(36.83% -0.0147 -0.0766)
OKLCH	oklch(36.83% 0.078 259.2)
XYZ	xyz(5.0383, 4.9474, 13.7834)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253F68 #684E25

analogous

#256168 #253F68 #2C2568

triadic

#253F68 #68253F #3F6825

tetradic

#253F68 #682561 #684E25 #25682C

square

#253F68 #682561 #684E25 #25682C

split-complementary

#253F68 #682C25 #616825

monochromatic

#080E17 #15243B #253F68 #355A95 #4977BE

Accessibility & contrast

On white

10.55

#253F68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#253F68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253F68

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253F68	#FFFFFF	#000000	##FFFFFF
##253F68	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D426A

Deuteranopia (green-blind)

#243C67

Tritanopia (blue-blind)

#00484E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #253f68;
/* rgb */ color: rgb(37, 63, 104);
/* oklch */ color: oklch(36.8% 0.078 259.2);

Tailwind

colors: {
  custom: {
    50: '#667393',
    500: '#253f68',
    950: '#000000',
  },
}

SCSS

$custom: #253f68;
$custom-light: #667393;
$custom-dark: #000000;

JSON

{
  "hex": "#253f68",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 104
  },
  "hsl": {
    "h": 216.716,
    "s": 47.518,
    "l": 27.647
  },
  "oklch": {
    "l": 0.3683,
    "c": 0.07798,
    "h": 259.2
  },
  "luminance": 0.04948
}

Semantic roles & 50–950 ramp

primary

#253F68

secondary

#9B7D4E

accent

#A351D7

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #253F68

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

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