#253D65#253D65

#253D65 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.1% C 0.076 H 260.1°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#253D65
RGB	rgb(37, 61, 101)
HSL	hsl(218, 46%, 27%)
HSV	hsv(218, 63%, 40%)
CMYK	cmyk(63.4%, 39.6%, 0%, 60.4%)
CIE-LAB	lab(25.77, 4.50, -26.36)
CIE-LCH	lch(25.77, 26.74, 279.69°)
OKLab	oklab(36.14% -0.013 -0.0747)
OKLCH	oklch(36.14% 0.076 260.1)
XYZ	xyz(4.7798, 4.6700, 12.9589)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D65 #654D25

analogous

#255D65 #253D65 #2D2565

triadic

#253D65 #65253D #3D6525

tetradic

#253D65 #65255D #654D25 #25652D

square

#253D65 #65255D #654D25 #25652D

split-complementary

#253D65 #652D25 #5D6525

monochromatic

#080E16 #152238 #253D65 #355892 #4874BC

Accessibility & contrast

On white

10.86

#253D65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#253D65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D65

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D65	#FFFFFF	#000000	##FFFFFF
##253D65	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C4067

Deuteranopia (green-blind)

#243A64

Tritanopia (blue-blind)

#00464C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #253d65;
/* rgb */ color: rgb(37, 61, 101);
/* oklch */ color: oklch(36.1% 0.076 260.1);

Tailwind

colors: {
  custom: {
    50: '#667291',
    500: '#253d65',
    950: '#000000',
  },
}

SCSS

$custom: #253d65;
$custom-light: #667291;
$custom-dark: #000000;

JSON

{
  "hex": "#253d65",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 101
  },
  "hsl": {
    "h": 217.5,
    "s": 46.377,
    "l": 27.059
  },
  "oklch": {
    "l": 0.36142,
    "c": 0.07586,
    "h": 260.1
  },
  "luminance": 0.0467
}

Semantic roles & 50–950 ramp

primary

#253D65

secondary

#987C4E

accent

#A452D6

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #253D65

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

Preview Lab → · Contrast checker → · Palette generator →