#28497D#28497D

#28497D is a dark, moderate blue. Relative luminance 0.067; OKLCH L 40.8% C 0.096 H 259.2°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#28497D
RGB	rgb(40, 73, 125)
HSL	hsl(217, 52%, 32%)
HSV	hsv(217, 68%, 49%)
CMYK	cmyk(68%, 41.6%, 0%, 51%)
CIE-LAB	lab(31.11, 6.12, -33.08)
CIE-LCH	lch(31.11, 33.65, 280.49°)
OKLab	oklab(40.78% -0.018 -0.0942)
OKLCH	oklch(40.78% 0.096 259.2)
XYZ	xyz(6.9580, 6.6962, 20.3239)
Luminance	0.0670 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28497D #7D5C28

analogous

#28737D #28497D #32287D

triadic

#28497D #7D2849 #497D28

tetradic

#28497D #7D2873 #7D5C28 #287D32

square

#28497D #7D2873 #7D5C28 #287D32

split-complementary

#28497D #7D3228 #737D28

monochromatic

#0A1320 #192E4F #28497D #3764AB #5683C9

Accessibility & contrast

On white

8.98

#28497D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#28497D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28497D

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28497D	#FFFFFF	#000000	##FFFFFF
##28497D	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#324D7F

Deuteranopia (green-blind)

#25467C

Tritanopia (blue-blind)

#00555D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #28497d;
/* rgb */ color: rgb(40, 73, 125);
/* oklch */ color: oklch(40.8% 0.096 259.2);

Tailwind

colors: {
  custom: {
    50: '#6c7ba3',
    500: '#28497d',
    950: '#000000',
  },
}

SCSS

$custom: #28497d;
$custom-light: #6c7ba3;
$custom-dark: #000000;

JSON

{
  "hex": "#28497d",
  "rgb": {
    "r": 40,
    "g": 73,
    "b": 125
  },
  "hsl": {
    "h": 216.706,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.40785,
    "c": 0.09592,
    "h": 259.2
  },
  "luminance": 0.06697
}

Semantic roles & 50–950 ramp

primary

#28497D

secondary

#AE8B53

accent

#A44DDB

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #28497D

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

Preview Lab → · Contrast checker → · Palette generator →