#283C95#283C95

#283C95 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.8% C 0.148 H 269.0°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#283C95
RGB	rgb(40, 60, 149)
HSL	hsl(229, 58%, 37%)
HSV	hsv(229, 73%, 58%)
CMYK	cmyk(73.2%, 59.7%, 0%, 41.6%)
CIE-LAB	lab(29.04, 24.21, -51.24)
CIE-LCH	lch(29.04, 56.67, 295.29°)
OKLab	oklab(39.75% -0.0027 -0.1478)
OKLCH	oklch(39.75% 0.148 269)
XYZ	xyz(7.9139, 5.8519, 29.1404)
Luminance	0.0585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283C95 #958128

analogous

#287395 #283C95 #4B2895

triadic

#283C95 #95283C #3C9528

tetradic

#283C95 #952873 #958128 #28954B

square

#283C95 #952873 #958128 #28954B

split-complementary

#283C95 #954B28 #739528

monochromatic

#0E1535 #1B2965 #283C95 #354FC5 #6277D5

Accessibility & contrast

On white

9.67

#283C95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#283C95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283C95

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283C95	#FFFFFF	#000000	##FFFFFF
##283C95	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A98

Deuteranopia (green-blind)

#004093

Tritanopia (blue-blind)

#005262

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #283c95;
/* rgb */ color: rgb(40, 60, 149);
/* oklch */ color: oklch(39.8% 0.148 269.0);

Tailwind

colors: {
  custom: {
    50: '#7271b5',
    500: '#283c95',
    950: '#000000',
  },
}

SCSS

$custom: #283c95;
$custom-light: #7271b5;
$custom-dark: #000000;

JSON

{
  "hex": "#283c95",
  "rgb": {
    "r": 40,
    "g": 60,
    "b": 149
  },
  "hsl": {
    "h": 228.991,
    "s": 57.672,
    "l": 37.059
  },
  "oklch": {
    "l": 0.3975,
    "c": 0.14781,
    "h": 269
  },
  "luminance": 0.05853
}

Semantic roles & 50–950 ramp

primary

#283C95

secondary

#BBAA5E

accent

#C547E1

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #283C95

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

Preview Lab → · Contrast checker → · Palette generator →