#253C64#253C64

#253C64 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.8% C 0.076 H 260.8°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#253C64
RGB	rgb(37, 60, 100)
HSL	hsl(218, 46%, 27%)
HSV	hsv(218, 63%, 39%)
CMYK	cmyk(63%, 40%, 0%, 60.8%)
CIE-LAB	lab(25.40, 4.81, -26.31)
CIE-LCH	lch(25.40, 26.74, 280.36°)
OKLab	oklab(35.83% -0.0121 -0.0746)
OKLCH	oklch(35.83% 0.076 260.8)
XYZ	xyz(4.6783, 4.5447, 12.6848)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C64 #644D25

analogous

#255C64 #253C64 #2E2564

triadic

#253C64 #64253C #3C6425

tetradic

#253C64 #64255C #644D25 #25642E

square

#253C64 #64255C #644D25 #25642E

split-complementary

#253C64 #642E25 #5C6425

monochromatic

#080D16 #142137 #253C64 #365791 #4872BB

Accessibility & contrast

On white

11.00

#253C64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#253C64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C64

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C64	#FFFFFF	#000000	##FFFFFF
##253C64	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3F66

Deuteranopia (green-blind)

#233A63

Tritanopia (blue-blind)

#00454B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #253c64;
/* rgb */ color: rgb(37, 60, 100);
/* oklch */ color: oklch(35.8% 0.076 260.8);

Tailwind

colors: {
  custom: {
    50: '#667190',
    500: '#253c64',
    950: '#000000',
  },
}

SCSS

$custom: #253c64;
$custom-light: #667190;
$custom-dark: #000000;

JSON

{
  "hex": "#253c64",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 100
  },
  "hsl": {
    "h": 218.095,
    "s": 45.985,
    "l": 26.863
  },
  "oklch": {
    "l": 0.35831,
    "c": 0.07556,
    "h": 260.8
  },
  "luminance": 0.04545
}

Semantic roles & 50–950 ramp

primary

#253C64

secondary

#977C4E

accent

#A652D6

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #253C64

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

Preview Lab → · Contrast checker → · Palette generator →