#28658B#28658B

#28658B is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.5% C 0.087 H 239.6°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#28658B
RGB	rgb(40, 101, 139)
HSL	hsl(203, 55%, 35%)
HSV	hsv(203, 71%, 55%)
CMYK	cmyk(71.2%, 27.3%, 0%, 45.5%)
CIE-LAB	lab(40.61, -6.49, -26.68)
CIE-LCH	lch(40.61, 27.46, 256.32°)
OKLab	oklab(48.49% -0.0442 -0.0752)
OKLCH	oklch(48.49% 0.087 239.6)
XYZ	xyz(10.1871, 11.6214, 26.1274)
Luminance	0.1162 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28658B #8B4E28

analogous

#288B7F #28658B #28348B

triadic

#28658B #8B2865 #658B28

tetradic

#28658B #7F288B #8B4E28 #348B28

square

#28658B #7F288B #8B4E28 #348B28

split-complementary

#28658B #8B2834 #8B7F28

monochromatic

#0D202C #1A425B #28658B #3688BB #5DA4D0

Accessibility & contrast

On white

6.32

#28658B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#28658B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28658B

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28658B	#FFFFFF	#000000	##FFFFFF
##28658B	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#53658D

Deuteranopia (green-blind)

#465B8A

Tritanopia (blue-blind)

#006F72

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #28658b;
/* rgb */ color: rgb(40, 101, 139);
/* oklch */ color: oklch(48.5% 0.087 239.6);

Tailwind

colors: {
  custom: {
    50: '#6f90ad',
    500: '#28658b',
    950: '#000000',
  },
}

SCSS

$custom: #28658b;
$custom-light: #6f90ad;
$custom-dark: #000000;

JSON

{
  "hex": "#28658b",
  "rgb": {
    "r": 40,
    "g": 101,
    "b": 139
  },
  "hsl": {
    "h": 203.03,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.48488,
    "c": 0.08721,
    "h": 239.6
  },
  "luminance": 0.11623
}

Semantic roles & 50–950 ramp

primary

#28658B

secondary

#B67D59

accent

#8349DF

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080C10

muted

#7B7D7F

Preview Lab

Preview with #28658B

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

Preview Lab → · Contrast checker → · Palette generator →