#253F65#253F65

#253F65 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.6% C 0.073 H 257.8°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#253F65
RGB	rgb(37, 63, 101)
HSL	hsl(216, 46%, 27%)
HSV	hsv(216, 63%, 40%)
CMYK	cmyk(63.4%, 37.6%, 0%, 60.4%)
CIE-LAB	lab(26.41, 3.14, -25.35)
CIE-LCH	lch(26.41, 25.54, 277.05°)
OKLab	oklab(36.64% -0.0155 -0.0717)
OKLCH	oklch(36.64% 0.073 257.8)
XYZ	xyz(4.8886, 4.8875, 12.9952)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253F65 #654B25

analogous

#255F65 #253F65 #2B2565

triadic

#253F65 #65253F #3F6525

tetradic

#253F65 #65255F #654B25 #25652B

square

#253F65 #65255F #654B25 #25652B

split-complementary

#253F65 #652B25 #5F6525

monochromatic

#080E16 #152338 #253F65 #355B92 #4877BC

Accessibility & contrast

On white

10.62

#253F65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#253F65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253F65

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253F65	#FFFFFF	#000000	##FFFFFF
##253F65	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4267

Deuteranopia (green-blind)

#273C64

Tritanopia (blue-blind)

#00484D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #253f65;
/* rgb */ color: rgb(37, 63, 101);
/* oklch */ color: oklch(36.6% 0.073 257.8);

Tailwind

colors: {
  custom: {
    50: '#667391',
    500: '#253f65',
    950: '#000000',
  },
}

SCSS

$custom: #253f65;
$custom-light: #667391;
$custom-dark: #000000;

JSON

{
  "hex": "#253f65",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 101
  },
  "hsl": {
    "h": 215.625,
    "s": 46.377,
    "l": 27.059
  },
  "oklch": {
    "l": 0.36639,
    "c": 0.0734,
    "h": 257.8
  },
  "luminance": 0.04888
}

Semantic roles & 50–950 ramp

primary

#253F65

secondary

#987A4E

accent

#A052D6

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #253F65

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

Preview Lab → · Contrast checker → · Palette generator →