#257AA9#257AA9

#257AA9 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.2% C 0.107 H 238.0°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#257AA9
RGB	rgb(37, 122, 169)
HSL	hsl(201, 64%, 40%)
HSV	hsv(201, 78%, 66%)
CMYK	cmyk(78.1%, 27.8%, 0%, 33.7%)
CIE-LAB	lab(48.48, -8.45, -32.14)
CIE-LCH	lch(48.48, 33.23, 255.28°)
OKLab	oklab(55.18% -0.0567 -0.0908)
OKLCH	oklch(55.18% 0.107 238)
XYZ	xyz(14.8811, 17.1752, 40.0593)
Luminance	0.1718 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257AA9 #A95425

analogous

#25A996 #257AA9 #2538A9

triadic

#257AA9 #A9257A #7AA925

tetradic

#257AA9 #9625A9 #A95425 #38A925

square

#257AA9 #9625A9 #A95425 #38A925

split-complementary

#257AA9 #A92538 #A99625

monochromatic

#0F3245 #1A5677 #257AA9 #389CD3 #6AB5DE

Accessibility & contrast

On white

4.73

#257AA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#257AA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257AA9

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257AA9	#FFFFFF	#000000	##FFFFFF
##257AA9	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#647AAB

Deuteranopia (green-blind)

#526EA8

Tritanopia (blue-blind)

#00868A

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #257aa9;
/* rgb */ color: rgb(37, 122, 169);
/* oklch */ color: oklch(55.2% 0.107 238.0);

Tailwind

colors: {
  custom: {
    50: '#74a0c2',
    500: '#257aa9',
    950: '#000000',
  },
}

SCSS

$custom: #257aa9;
$custom-light: #74a0c2;
$custom-dark: #000000;

JSON

{
  "hex": "#257aa9",
  "rgb": {
    "r": 37,
    "g": 122,
    "b": 169
  },
  "hsl": {
    "h": 201.364,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.55179,
    "c": 0.10709,
    "h": 238
  },
  "luminance": 0.17177
}

Semantic roles & 50–950 ramp

primary

#257AA9

secondary

#C48765

accent

#7C41E7

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #257AA9

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

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