#253B65#253B65

#253B65 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.6% C 0.078 H 262.2°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#253B65
RGB	rgb(37, 59, 101)
HSL	hsl(219, 46%, 27%)
HSV	hsv(219, 63%, 40%)
CMYK	cmyk(63.4%, 41.6%, 0%, 60.4%)
CIE-LAB	lab(25.14, 5.88, -27.36)
CIE-LCH	lch(25.14, 27.99, 282.12°)
OKLab	oklab(35.65% -0.0106 -0.0777)
OKLCH	oklch(35.65% 0.078 262.2)
XYZ	xyz(4.6751, 4.4604, 12.9240)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253B65 #654F25

analogous

#255B65 #253B65 #2F2565

triadic

#253B65 #65253B #3B6525

tetradic

#253B65 #65255B #654F25 #25652F

square

#253B65 #65255B #654F25 #25652F

split-complementary

#253B65 #652F25 #5B6525

monochromatic

#080D16 #152138 #253B65 #355592 #4870BC

Accessibility & contrast

On white

11.10

#253B65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#253B65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B65

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253B65	#FFFFFF	#000000	##FFFFFF
##253B65	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293F67

Deuteranopia (green-blind)

#203964

Tritanopia (blue-blind)

#00444B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #253b65;
/* rgb */ color: rgb(37, 59, 101);
/* oklch */ color: oklch(35.6% 0.078 262.2);

Tailwind

colors: {
  custom: {
    50: '#667091',
    500: '#253b65',
    950: '#000000',
  },
}

SCSS

$custom: #253b65;
$custom-light: #667091;
$custom-dark: #000000;

JSON

{
  "hex": "#253b65",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 101
  },
  "hsl": {
    "h": 219.375,
    "s": 46.377,
    "l": 27.059
  },
  "oklch": {
    "l": 0.3565,
    "c": 0.07841,
    "h": 262.2
  },
  "luminance": 0.04461
}

Semantic roles & 50–950 ramp

primary

#253B65

secondary

#987F4E

accent

#A952D6

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070D

muted

#7A7A7D

Preview Lab

Preview with #253B65

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

Preview Lab → · Contrast checker → · Palette generator →