#257191#257191

#257191 is a mid, moderate cyan. Relative luminance 0.142; OKLCH L 51.7% C 0.088 H 230.2°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#257191
RGB	rgb(37, 113, 145)
HSL	hsl(198, 59%, 36%)
HSV	hsv(198, 74%, 57%)
CMYK	cmyk(74.5%, 22.1%, 0%, 43.1%)
CIE-LAB	lab(44.58, -11.87, -24.09)
CIE-LCH	lch(44.58, 26.86, 243.77°)
OKLab	oklab(51.72% -0.0563 -0.0677)
OKLCH	oklch(51.72% 0.088 230.2)
XYZ	xyz(11.7769, 14.2465, 28.9118)
Luminance	0.1425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257191 #914525

analogous

#25917B #257191 #253B91

triadic

#257191 #912571 #719125

tetradic

#257191 #7B2591 #914525 #3B9125

square

#257191 #7B2591 #914525 #3B9125

split-complementary

#257191 #91253B #917B25

monochromatic

#0C252F #194B60 #257191 #3197C2 #5BB1D5

Accessibility & contrast

On white

5.46

#257191 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#257191 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257191

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257191	#FFFFFF	#000000	##FFFFFF
##257191	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#616F93

Deuteranopia (green-blind)

#526591

Tritanopia (blue-blind)

#007A7C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #257191;
/* rgb */ color: rgb(37, 113, 145);
/* oklch */ color: oklch(51.7% 0.088 230.2);

Tailwind

colors: {
  custom: {
    50: '#6f99b1',
    500: '#257191',
    950: '#000000',
  },
}

SCSS

$custom: #257191;
$custom-light: #6f99b1;
$custom-dark: #000000;

JSON

{
  "hex": "#257191",
  "rgb": {
    "r": 37,
    "g": 113,
    "b": 145
  },
  "hsl": {
    "h": 197.778,
    "s": 59.341,
    "l": 35.686
  },
  "oklch": {
    "l": 0.51718,
    "c": 0.08805,
    "h": 230.2
  },
  "luminance": 0.14248
}

Semantic roles & 50–950 ramp

primary

#257191

secondary

#BA7558

accent

#7445E3

background

#F7F9FA

surface

#EDF2F5

border

#C8CCCF

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #257191

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

Preview Lab → · Contrast checker → · Palette generator →