#283A95#283A95

#283A95 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.4% C 0.150 H 269.6°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#283A95
RGB	rgb(40, 58, 149)
HSL	hsl(230, 58%, 37%)
HSV	hsv(230, 73%, 58%)
CMYK	cmyk(73.2%, 61.1%, 0%, 41.6%)
CIE-LAB	lab(28.50, 25.56, -52.11)
CIE-LCH	lch(28.50, 58.04, 296.13°)
OKLab	oklab(39.35% -0.0011 -0.1504)
OKLCH	oklch(39.35% 0.15 269.6)
XYZ	xyz(7.8111, 5.6464, 29.1061)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283A95 #958328

analogous

#287195 #283A95 #4D2895

triadic

#283A95 #95283A #3A9528

tetradic

#283A95 #952871 #958328 #28954D

square

#283A95 #952871 #958328 #28954D

split-complementary

#283A95 #954D28 #719528

monochromatic

#0E1435 #1B2765 #283A95 #354DC5 #6275D5

Accessibility & contrast

On white

9.86

#283A95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#283A95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283A95

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283A95	#FFFFFF	#000000	##FFFFFF
##283A95	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004898

Deuteranopia (green-blind)

#003E93

Tritanopia (blue-blind)

#005161

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #283a95;
/* rgb */ color: rgb(40, 58, 149);
/* oklch */ color: oklch(39.4% 0.150 269.6);

Tailwind

colors: {
  custom: {
    50: '#7270b5',
    500: '#283a95',
    950: '#000000',
  },
}

SCSS

$custom: #283a95;
$custom-light: #7270b5;
$custom-dark: #000000;

JSON

{
  "hex": "#283a95",
  "rgb": {
    "r": 40,
    "g": 58,
    "b": 149
  },
  "hsl": {
    "h": 230.092,
    "s": 57.672,
    "l": 37.059
  },
  "oklch": {
    "l": 0.39353,
    "c": 0.15037,
    "h": 269.6
  },
  "luminance": 0.05647
}

Semantic roles & 50–950 ramp

primary

#283A95

secondary

#BBAB5E

accent

#C747E1

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #283A95

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

Preview Lab → · Contrast checker → · Palette generator →