#25437F#25437F

#25437F is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.4% C 0.108 H 262.5°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#25437F
RGB	rgb(37, 67, 127)
HSL	hsl(220, 55%, 32%)
HSV	hsv(220, 71%, 50%)
CMYK	cmyk(70.9%, 47.2%, 0%, 50.2%)
CIE-LAB	lab(29.26, 10.43, -37.29)
CIE-LCH	lch(29.26, 38.72, 285.62°)
OKLab	oklab(39.36% -0.014 -0.1067)
OKLCH	oklch(39.36% 0.108 262.5)
XYZ	xyz(6.5995, 5.9393, 20.8732)
Luminance	0.0594 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25437F #7F6125

analogous

#25707F #25437F #34257F

triadic

#25437F #7F2543 #437F25

tetradic

#25437F #7F2570 #7F6125 #257F34

square

#25437F #7F2570 #7F6125 #257F34

split-complementary

#25437F #7F3425 #707F25

monochromatic

#091120 #172A50 #25437F #335CAE #527BCD

Accessibility & contrast

On white

9.60

#25437F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#25437F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25437F

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25437F	#FFFFFF	#000000	##FFFFFF
##25437F	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254981

Deuteranopia (green-blind)

#13417E

Tritanopia (blue-blind)

#00515A

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #25437f;
/* rgb */ color: rgb(37, 67, 127);
/* oklch */ color: oklch(39.4% 0.108 262.5);

Tailwind

colors: {
  custom: {
    50: '#6b76a4',
    500: '#25437f',
    950: '#000000',
  },
}

SCSS

$custom: #25437f;
$custom-light: #6b76a4;
$custom-dark: #000000;

JSON

{
  "hex": "#25437f",
  "rgb": {
    "r": 37,
    "g": 67,
    "b": 127
  },
  "hsl": {
    "h": 220,
    "s": 54.878,
    "l": 32.157
  },
  "oklch": {
    "l": 0.39362,
    "c": 0.10762,
    "h": 262.5
  },
  "luminance": 0.0594
}

Semantic roles & 50–950 ramp

primary

#25437F

secondary

#B1904F

accent

#AD4ADE

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #25437F

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

Preview Lab → · Contrast checker → · Palette generator →