#28657A#28657A

#28657A is a mid, moderate cyan. Relative luminance 0.112; OKLCH L 47.6% C 0.070 H 224.0°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#28657A
RGB	rgb(40, 101, 122)
HSL	hsl(195, 51%, 32%)
HSV	hsv(195, 67%, 48%)
CMYK	cmyk(67.2%, 17.2%, 0%, 52.2%)
CIE-LAB	lab(39.85, -12.51, -17.56)
CIE-LCH	lch(39.85, 21.56, 234.52°)
OKLab	oklab(47.64% -0.0507 -0.049)
OKLCH	oklch(47.64% 0.07 224)
XYZ	xyz(9.0402, 11.1627, 20.0868)
Luminance	0.1116 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28657A #7A3D28

analogous

#287A66 #28657A #283C7A

triadic

#28657A #7A2865 #657A28

tetradic

#28657A #66287A #7A3D28 #3C7A28

square

#28657A #66287A #7A3D28 #3C7A28

split-complementary

#28657A #7A283C #7A6628

monochromatic

#0A191E #193F4C #28657A #378BA8 #55AAC7

Accessibility & contrast

On white

6.50

#28657A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#28657A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28657A

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28657A	#FFFFFF	#000000	##FFFFFF
##28657A	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59637B

Deuteranopia (green-blind)

#4E5A7A

Tritanopia (blue-blind)

#006B6C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #28657a;
/* rgb */ color: rgb(40, 101, 122);
/* oklch */ color: oklch(47.6% 0.070 224.0);

Tailwind

colors: {
  custom: {
    50: '#6c91a0',
    500: '#28657a',
    950: '#000000',
  },
}

SCSS

$custom: #28657a;
$custom-light: #6c91a0;
$custom-dark: #000000;

JSON

{
  "hex": "#28657a",
  "rgb": {
    "r": 40,
    "g": 101,
    "b": 122
  },
  "hsl": {
    "h": 195.366,
    "s": 50.617,
    "l": 31.765
  },
  "oklch": {
    "l": 0.47638,
    "c": 0.07047,
    "h": 224
  },
  "luminance": 0.11164
}

Semantic roles & 50–950 ramp

primary

#28657A

secondary

#AC6952

accent

#724EDA

background

#F6F8F9

surface

#ECF0F2

border

#C7CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #28657A

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

Preview Lab → · Contrast checker → · Palette generator →