#284D7E#284D7E

#284D7E is a dark, moderate cyan. Relative luminance 0.073; OKLCH L 41.8% C 0.093 H 256.1°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#284D7E
RGB	rgb(40, 77, 126)
HSL	hsl(214, 52%, 33%)
HSV	hsv(214, 68%, 49%)
CMYK	cmyk(68.3%, 38.9%, 0%, 50.6%)
CIE-LAB	lab(32.40, 3.84, -31.65)
CIE-LCH	lch(32.40, 31.88, 276.93°)
OKLab	oklab(41.81% -0.0222 -0.0899)
OKLCH	oklch(41.81% 0.093 256.1)
XYZ	xyz(7.2935, 7.2645, 20.7524)
Luminance	0.0727 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284D7E #7E5928

analogous

#28787E #284D7E #2E287E

triadic

#284D7E #7E284D #4D7E28

tetradic

#284D7E #7E2878 #7E5928 #287E2E

square

#284D7E #7E2878 #7E5928 #287E2E

split-complementary

#284D7E #7E2E28 #787E28

monochromatic

#0B1421 #193150 #284D7E #3769AC #5788CA

Accessibility & contrast

On white

8.56

#284D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#284D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284D7E

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284D7E	#FFFFFF	#000000	##FFFFFF
##284D7E	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375180

Deuteranopia (green-blind)

#2B497D

Tritanopia (blue-blind)

#00585F

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #284d7e;
/* rgb */ color: rgb(40, 77, 126);
/* oklch */ color: oklch(41.8% 0.093 256.1);

Tailwind

colors: {
  custom: {
    50: '#6c7ea3',
    500: '#284d7e',
    950: '#000000',
  },
}

SCSS

$custom: #284d7e;
$custom-light: #6c7ea3;
$custom-dark: #000000;

JSON

{
  "hex": "#284d7e",
  "rgb": {
    "r": 40,
    "g": 77,
    "b": 126
  },
  "hsl": {
    "h": 214.186,
    "s": 51.807,
    "l": 32.549
  },
  "oklch": {
    "l": 0.41812,
    "c": 0.09263,
    "h": 256.1
  },
  "luminance": 0.07265
}

Semantic roles & 50–950 ramp

primary

#284D7E

secondary

#AF8753

accent

#9E4DDB

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #284D7E

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

Preview Lab → · Contrast checker → · Palette generator →