#25597F#25597F

#25597F is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.7% C 0.083 H 243.4°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#25597F
RGB	rgb(37, 89, 127)
HSL	hsl(205, 55%, 32%)
HSV	hsv(205, 71%, 50%)
CMYK	cmyk(70.9%, 29.9%, 0%, 50.2%)
CIE-LAB	lab(36.12, -4.03, -26.42)
CIE-LCH	lch(36.12, 26.72, 261.32°)
OKLab	oklab(44.71% -0.0373 -0.0746)
OKLCH	oklch(44.71% 0.083 243.4)
XYZ	xyz(8.1646, 9.0695, 21.3949)
Luminance	0.0907 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25597F #7F4B25

analogous

#257F78 #25597F #252C7F

triadic

#25597F #7F2559 #597F25

tetradic

#25597F #78257F #7F4B25 #2C7F25

square

#25597F #78257F #7F4B25 #2C7F25

split-complementary

#25597F #7F252C #7F7825

monochromatic

#091720 #173850 #25597F #337AAE #5299CD

Accessibility & contrast

On white

7.46

#25597F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#25597F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25597F

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25597F	#FFFFFF	#000000	##FFFFFF
##25597F	1.00	7.46	2.81	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#485A81

Deuteranopia (green-blind)

#3B517E

Tritanopia (blue-blind)

#006266

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #25597f;
/* rgb */ color: rgb(37, 89, 127);
/* oklch */ color: oklch(44.7% 0.083 243.4);

Tailwind

colors: {
  custom: {
    50: '#6b87a4',
    500: '#25597f',
    950: '#000000',
  },
}

SCSS

$custom: #25597f;
$custom-light: #6b87a4;
$custom-dark: #000000;

JSON

{
  "hex": "#25597f",
  "rgb": {
    "r": 37,
    "g": 89,
    "b": 127
  },
  "hsl": {
    "h": 205.333,
    "s": 54.878,
    "l": 32.157
  },
  "oklch": {
    "l": 0.44713,
    "c": 0.08339,
    "h": 243.4
  },
  "luminance": 0.0907
}

Semantic roles & 50–950 ramp

primary

#25597F

secondary

#B1784F

accent

#884ADE

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #25597F

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

Preview Lab → · Contrast checker → · Palette generator →