#283A94#283A94

#283A94 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.3% C 0.149 H 269.6°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#283A94
RGB	rgb(40, 58, 148)
HSL	hsl(230, 57%, 37%)
HSV	hsv(230, 73%, 58%)
CMYK	cmyk(73%, 60.8%, 0%, 42%)
CIE-LAB	lab(28.42, 25.18, -51.63)
CIE-LCH	lch(28.42, 57.45, 296.00°)
OKLab	oklab(39.27% -0.0011 -0.149)
OKLCH	oklch(39.27% 0.149 269.6)
XYZ	xyz(7.7316, 5.6146, 28.6875)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283A94 #948228

analogous

#287094 #283A94 #4C2894

triadic

#283A94 #94283A #3A9428

tetradic

#283A94 #942870 #948228 #28944C

square

#283A94 #942870 #948228 #28944C

split-complementary

#283A94 #944C28 #709428

monochromatic

#0E1434 #1B2764 #283A94 #354DC4 #6275D5

Accessibility & contrast

On white

9.89

#283A94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#283A94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283A94

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283A94	#FFFFFF	#000000	##FFFFFF
##283A94	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004897

Deuteranopia (green-blind)

#003E92

Tritanopia (blue-blind)

#005161

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #283a94;
/* rgb */ color: rgb(40, 58, 148);
/* oklch */ color: oklch(39.3% 0.149 269.6);

Tailwind

colors: {
  custom: {
    50: '#7270b4',
    500: '#283a94',
    950: '#000000',
  },
}

SCSS

$custom: #283a94;
$custom-light: #7270b4;
$custom-dark: #000000;

JSON

{
  "hex": "#283a94",
  "rgb": {
    "r": 40,
    "g": 58,
    "b": 148
  },
  "hsl": {
    "h": 230,
    "s": 57.447,
    "l": 36.863
  },
  "oklch": {
    "l": 0.39265,
    "c": 0.14897,
    "h": 269.6
  },
  "luminance": 0.05615
}

Semantic roles & 50–950 ramp

primary

#283A94

secondary

#BAAB5E

accent

#C747E1

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #283A94

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

Preview Lab → · Contrast checker → · Palette generator →