#257EAE#257EAE

#257EAE is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.4% C 0.110 H 237.5°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#257EAE
RGB	rgb(37, 126, 174)
HSL	hsl(201, 65%, 41%)
HSV	hsv(201, 79%, 68%)
CMYK	cmyk(78.7%, 27.6%, 0%, 31.8%)
CIE-LAB	lab(49.94, -8.95, -32.75)
CIE-LCH	lch(49.94, 33.96, 254.71°)
OKLab	oklab(56.42% -0.0589 -0.0926)
OKLCH	oklch(56.42% 0.11 237.5)
XYZ	xyz(15.8607, 18.3691, 42.7459)
Luminance	0.1837 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257EAE #AE5525

analogous

#25AE9A #257EAE #253AAE

triadic

#257EAE #AE257E #7EAE25

tetradic

#257EAE #9A25AE #AE5525 #3AAE25

square

#257EAE #9A25AE #AE5525 #3AAE25

split-complementary

#257EAE #AE253A #AE9A25

monochromatic

#103549 #1A597C #257EAE #3B9FD5 #6DB8E0

Accessibility & contrast

On white

4.49

#257EAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#257EAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #257EAE

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257EAE	#FFFFFF	#000000	##000000
##257EAE	1.00	4.49	4.67	4.67
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677EB0

Deuteranopia (green-blind)

#5571AD

Tritanopia (blue-blind)

#008A8F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #257eae;
/* rgb */ color: rgb(37, 126, 174);
/* oklch */ color: oklch(56.4% 0.110 237.5);

Tailwind

colors: {
  custom: {
    50: '#75a3c6',
    500: '#257eae',
    950: '#000000',
  },
}

SCSS

$custom: #257eae;
$custom-light: #75a3c6;
$custom-dark: #000000;

JSON

{
  "hex": "#257eae",
  "rgb": {
    "r": 37,
    "g": 126,
    "b": 174
  },
  "hsl": {
    "h": 201.022,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.56417,
    "c": 0.10971,
    "h": 237.5
  },
  "luminance": 0.18371
}

Semantic roles & 50–950 ramp

primary

#257EAE

secondary

#C68968

accent

#7B40E8

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #257EAE

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

Preview Lab → · Contrast checker → · Palette generator →