#282958#282958

#282958 is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.7% C 0.083 H 279.4°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#282958
RGB	rgb(40, 41, 88)
HSL	hsl(239, 38%, 25%)
HSV	hsv(239, 55%, 35%)
CMYK	cmyk(54.5%, 53.4%, 0%, 65.5%)
CIE-LAB	lab(18.98, 14.45, -28.65)
CIE-LCH	lch(18.98, 32.08, 296.77°)
OKLab	oklab(30.72% 0.0136 -0.0816)
OKLCH	oklch(30.72% 0.083 279.4)
XYZ	xyz(3.4289, 2.7414, 9.5791)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282958 #585728

analogous

#284158 #282958 #3F2858

triadic

#282958 #582829 #295828

tetradic

#282958 #582841 #585728 #28583F

square

#282958 #582841 #585728 #28583F

split-complementary

#282958 #583F28 #415828

monochromatic

#0A0A15 #15152E #282958 #3B3D82 #4E50AC

Accessibility & contrast

On white

13.56

#282958 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#282958 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282958

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282958	#FFFFFF	#000000	##FFFFFF
##282958	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13305A

Deuteranopia (green-blind)

#0F2C57

Tritanopia (blue-blind)

#15333C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #282958;
/* rgb */ color: rgb(40, 41, 88);
/* oklch */ color: oklch(30.7% 0.083 279.4);

Tailwind

colors: {
  custom: {
    50: '#666287',
    500: '#282958',
    950: '#000000',
  },
}

SCSS

$custom: #282958;
$custom-light: #666287;
$custom-dark: #000000;

JSON

{
  "hex": "#282958",
  "rgb": {
    "r": 40,
    "g": 41,
    "b": 88
  },
  "hsl": {
    "h": 238.75,
    "s": 37.5,
    "l": 25.098
  },
  "oklch": {
    "l": 0.30719,
    "c": 0.0827,
    "h": 279.4
  },
  "luminance": 0.02742
}

Semantic roles & 50–950 ramp

primary

#282958

secondary

#8B8A51

accent

#CB5ACD

background

#F6F5F8

surface

#EBEAEF

border

#C6C6CA

text

#06050B

muted

#7A797C

Preview Lab

Preview with #282958

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

Preview Lab → · Contrast checker → · Palette generator →