#257FA2#257FA2

#257FA2 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.1% C 0.098 H 228.9°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#257FA2
RGB	rgb(37, 127, 162)
HSL	hsl(197, 63%, 39%)
HSV	hsv(197, 77%, 64%)
CMYK	cmyk(77.2%, 21.6%, 0%, 36.5%)
CIE-LAB	lab(49.71, -13.82, -26.14)
CIE-LCH	lch(49.71, 29.57, 242.14°)
OKLab	oklab(56.06% -0.0642 -0.0734)
OKLCH	oklch(56.06% 0.098 228.9)
XYZ	xyz(14.8712, 18.1789, 36.9005)
Luminance	0.1818 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257FA2 #A24825

analogous

#25A287 #257FA2 #2541A2

triadic

#257FA2 #A2257F #7FA225

tetradic

#257FA2 #8725A2 #A24825 #41A225

square

#257FA2 #8725A2 #A24825 #41A225

split-complementary

#257FA2 #A22541 #A28725

monochromatic

#0E313E #1A5870 #257FA2 #34A5D1 #65BBDC

Accessibility & contrast

On white

4.53

#257FA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#257FA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #257FA2

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257FA2	#FFFFFF	#000000	##000000
##257FA2	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7DA4

Deuteranopia (green-blind)

#5C71A2

Tritanopia (blue-blind)

#00898B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #257fa2;
/* rgb */ color: rgb(37, 127, 162);
/* oklch */ color: oklch(56.1% 0.098 228.9);

Tailwind

colors: {
  custom: {
    50: '#73a4bd',
    500: '#257fa2',
    950: '#000000',
  },
}

SCSS

$custom: #257fa2;
$custom-light: #73a4bd;
$custom-dark: #000000;

JSON

{
  "hex": "#257fa2",
  "rgb": {
    "r": 37,
    "g": 127,
    "b": 162
  },
  "hsl": {
    "h": 196.8,
    "s": 62.814,
    "l": 39.02
  },
  "oklch": {
    "l": 0.56058,
    "c": 0.09753,
    "h": 228.9
  },
  "luminance": 0.18181
}

Semantic roles & 50–950 ramp

primary

#257FA2

secondary

#C27C61

accent

#7042E6

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #257FA2

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

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