#283E95#283E95

#283E95 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.2% C 0.145 H 268.3°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#283E95
RGB	rgb(40, 62, 149)
HSL	hsl(228, 58%, 37%)
HSV	hsv(228, 73%, 58%)
CMYK	cmyk(73.2%, 58.4%, 0%, 41.6%)
CIE-LAB	lab(29.58, 22.86, -50.36)
CIE-LCH	lch(29.58, 55.30, 294.41°)
OKLab	oklab(40.16% -0.0043 -0.1452)
OKLCH	oklch(40.16% 0.145 268.3)
XYZ	xyz(8.0206, 6.0655, 29.1760)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283E95 #957F28

analogous

#287595 #283E95 #492895

triadic

#283E95 #95283E #3E9528

tetradic

#283E95 #952875 #957F28 #289549

square

#283E95 #952875 #957F28 #289549

split-complementary

#283E95 #954928 #759528

monochromatic

#0E1635 #1B2A65 #283E95 #3552C5 #627AD5

Accessibility & contrast

On white

9.49

#283E95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#283E95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283E95

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283E95	#FFFFFF	#000000	##FFFFFF
##283E95	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B98

Deuteranopia (green-blind)

#004193

Tritanopia (blue-blind)

#005363

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #283e95;
/* rgb */ color: rgb(40, 62, 149);
/* oklch */ color: oklch(40.2% 0.145 268.3);

Tailwind

colors: {
  custom: {
    50: '#7172b5',
    500: '#283e95',
    950: '#000000',
  },
}

SCSS

$custom: #283e95;
$custom-light: #7172b5;
$custom-dark: #000000;

JSON

{
  "hex": "#283e95",
  "rgb": {
    "r": 40,
    "g": 62,
    "b": 149
  },
  "hsl": {
    "h": 227.89,
    "s": 57.672,
    "l": 37.059
  },
  "oklch": {
    "l": 0.40155,
    "c": 0.14524,
    "h": 268.3
  },
  "luminance": 0.06066
}

Semantic roles & 50–950 ramp

primary

#283E95

secondary

#BBA85E

accent

#C247E1

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #283E95

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

Preview Lab → · Contrast checker → · Palette generator →