#257D9A#257D9A

#257D9A is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.2% C 0.092 H 224.6°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#257D9A
RGB	rgb(37, 125, 154)
HSL	hsl(195, 61%, 37%)
HSV	hsv(195, 76%, 60%)
CMYK	cmyk(76%, 18.8%, 0%, 39.6%)
CIE-LAB	lab(48.75, -15.50, -22.96)
CIE-LCH	lch(48.75, 27.70, 235.98°)
OKLab	oklab(55.18% -0.0652 -0.0643)
OKLCH	oklch(55.18% 0.092 224.6)
XYZ	xyz(13.9269, 17.3920, 33.1886)
Luminance	0.1739 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257D9A #9A4225

analogous

#259A7D #257D9A #25429A

triadic

#257D9A #9A257D #7D9A25

tetradic

#257D9A #7D259A #9A4225 #429A25

square

#257D9A #7D259A #9A4225 #429A25

split-complementary

#257D9A #9A2542 #9A7D25

monochromatic

#0D2D37 #195569 #257D9A #31A5CB #60BBD9

Accessibility & contrast

On white

4.69

#257D9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#257D9A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257D9A

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257D9A	#FFFFFF	#000000	##FFFFFF
##257D9A	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7A9B

Deuteranopia (green-blind)

#5D6F9A

Tritanopia (blue-blind)

#008686

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #257d9a;
/* rgb */ color: rgb(37, 125, 154);
/* oklch */ color: oklch(55.2% 0.092 224.6);

Tailwind

colors: {
  custom: {
    50: '#72a2b7',
    500: '#257d9a',
    950: '#000000',
  },
}

SCSS

$custom: #257d9a;
$custom-light: #72a2b7;
$custom-dark: #000000;

JSON

{
  "hex": "#257d9a",
  "rgb": {
    "r": 37,
    "g": 125,
    "b": 154
  },
  "hsl": {
    "h": 194.872,
    "s": 61.257,
    "l": 37.451
  },
  "oklch": {
    "l": 0.55176,
    "c": 0.09161,
    "h": 224.6
  },
  "luminance": 0.17394
}

Semantic roles & 50–950 ramp

primary

#257D9A

secondary

#BE755D

accent

#6B43E4

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #257D9A

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

Preview Lab → · Contrast checker → · Palette generator →