#253A64#253A64

#253A64 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.3% C 0.078 H 262.9°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#253A64
RGB	rgb(37, 58, 100)
HSL	hsl(220, 46%, 27%)
HSV	hsv(220, 63%, 39%)
CMYK	cmyk(63%, 42%, 0%, 60.8%)
CIE-LAB	lab(24.76, 6.19, -27.31)
CIE-LCH	lch(24.76, 28.00, 282.77°)
OKLab	oklab(35.34% -0.0096 -0.0776)
OKLCH	oklch(35.34% 0.078 262.9)
XYZ	xyz(4.5755, 4.3391, 12.6505)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A64 #644F25

analogous

#255A64 #253A64 #302564

triadic

#253A64 #64253A #3A6425

tetradic

#253A64 #64255A #644F25 #256430

square

#253A64 #64255A #644F25 #256430

split-complementary

#253A64 #643025 #5A6425

monochromatic

#080D16 #142037 #253A64 #365491 #486EBB

Accessibility & contrast

On white

11.24

#253A64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#253A64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A64

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A64	#FFFFFF	#000000	##FFFFFF
##253A64	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283E66

Deuteranopia (green-blind)

#203863

Tritanopia (blue-blind)

#00434A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #253a64;
/* rgb */ color: rgb(37, 58, 100);
/* oklch */ color: oklch(35.3% 0.078 262.9);

Tailwind

colors: {
  custom: {
    50: '#666f90',
    500: '#253a64',
    950: '#000000',
  },
}

SCSS

$custom: #253a64;
$custom-light: #666f90;
$custom-dark: #000000;

JSON

{
  "hex": "#253a64",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 100
  },
  "hsl": {
    "h": 220,
    "s": 45.985,
    "l": 26.863
  },
  "oklch": {
    "l": 0.35339,
    "c": 0.07815,
    "h": 262.9
  },
  "luminance": 0.0434
}

Semantic roles & 50–950 ramp

primary

#253A64

secondary

#977F4E

accent

#AA52D6

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #253A64

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

Preview Lab → · Contrast checker → · Palette generator →