#283C94#283C94

#283C94 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.7% C 0.146 H 268.9°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#283C94
RGB	rgb(40, 60, 148)
HSL	hsl(229, 57%, 37%)
HSV	hsv(229, 73%, 58%)
CMYK	cmyk(73%, 59.5%, 0%, 42%)
CIE-LAB	lab(28.95, 23.83, -50.76)
CIE-LCH	lch(28.95, 56.08, 295.15°)
OKLab	oklab(39.66% -0.0027 -0.1464)
OKLCH	oklch(39.66% 0.146 268.9)
XYZ	xyz(7.8344, 5.8202, 28.7217)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283C94 #948028

analogous

#287294 #283C94 #4A2894

triadic

#283C94 #94283C #3C9428

tetradic

#283C94 #942872 #948028 #28944A

square

#283C94 #942872 #948028 #28944A

split-complementary

#283C94 #944A28 #729428

monochromatic

#0E1534 #1B2864 #283C94 #3550C4 #6277D5

Accessibility & contrast

On white

9.70

#283C94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#283C94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283C94

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283C94	#FFFFFF	#000000	##FFFFFF
##283C94	1.00	9.70	2.16	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004997

Deuteranopia (green-blind)

#003F92

Tritanopia (blue-blind)

#005262

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #283c94;
/* rgb */ color: rgb(40, 60, 148);
/* oklch */ color: oklch(39.7% 0.146 268.9);

Tailwind

colors: {
  custom: {
    50: '#7171b4',
    500: '#283c94',
    950: '#000000',
  },
}

SCSS

$custom: #283c94;
$custom-light: #7171b4;
$custom-dark: #000000;

JSON

{
  "hex": "#283c94",
  "rgb": {
    "r": 40,
    "g": 60,
    "b": 148
  },
  "hsl": {
    "h": 228.889,
    "s": 57.447,
    "l": 36.863
  },
  "oklch": {
    "l": 0.39664,
    "c": 0.14641,
    "h": 268.9
  },
  "luminance": 0.05821
}

Semantic roles & 50–950 ramp

primary

#283C94

secondary

#BAA95E

accent

#C447E1

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #283C94

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

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