#25657F#25657F

#25657F is a mid, moderate cyan. Relative luminance 0.112; OKLCH L 47.8% C 0.076 H 228.6°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#25657F
RGB	rgb(37, 101, 127)
HSL	hsl(197, 55%, 32%)
HSV	hsv(197, 71%, 50%)
CMYK	cmyk(70.9%, 20.5%, 0%, 50.2%)
CIE-LAB	lab(39.97, -11.29, -20.43)
CIE-LCH	lch(39.97, 23.34, 241.07°)
OKLab	oklab(47.77% -0.0505 -0.0572)
OKLCH	oklch(47.77% 0.076 228.6)
XYZ	xyz(9.2459, 11.2320, 21.7553)
Luminance	0.1123 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25657F #7F3F25

analogous

#257F6C #25657F #25387F

triadic

#25657F #7F2565 #657F25

tetradic

#25657F #6C257F #7F3F25 #387F25

square

#25657F #6C257F #7F3F25 #387F25

split-complementary

#25657F #7F2538 #7F6C25

monochromatic

#091A20 #173F50 #25657F #338BAE #52A9CD

Accessibility & contrast

On white

6.47

#25657F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#25657F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #25657F

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25657F	#FFFFFF	#000000	##FFFFFF
##25657F	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#576380

Deuteranopia (green-blind)

#4B5A7F

Tritanopia (blue-blind)

#006C6E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #25657f;
/* rgb */ color: rgb(37, 101, 127);
/* oklch */ color: oklch(47.8% 0.076 228.6);

Tailwind

colors: {
  custom: {
    50: '#6c91a4',
    500: '#25657f',
    950: '#000000',
  },
}

SCSS

$custom: #25657f;
$custom-light: #6c91a4;
$custom-dark: #000000;

JSON

{
  "hex": "#25657f",
  "rgb": {
    "r": 37,
    "g": 101,
    "b": 127
  },
  "hsl": {
    "h": 197.333,
    "s": 54.878,
    "l": 32.157
  },
  "oklch": {
    "l": 0.47773,
    "c": 0.0763,
    "h": 228.6
  },
  "luminance": 0.11233
}

Semantic roles & 50–950 ramp

primary

#25657F

secondary

#B16B4F

accent

#754ADE

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #25657F

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

Preview Lab → · Contrast checker → · Palette generator →