#282B58#282B58

#282B58 is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.2% C 0.080 H 277.8°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#282B58
RGB	rgb(40, 43, 88)
HSL	hsl(236, 38%, 25%)
HSV	hsv(236, 55%, 35%)
CMYK	cmyk(54.5%, 51.1%, 0%, 65.5%)
CIE-LAB	lab(19.57, 13.03, -27.70)
CIE-LCH	lch(19.57, 30.61, 295.19°)
OKLab	oklab(31.17% 0.0109 -0.0788)
OKLCH	oklch(31.17% 0.08 277.8)
XYZ	xyz(3.4999, 2.8832, 9.6027)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B58 #585528

analogous

#284358 #282B58 #3D2858

triadic

#282B58 #58282B #2B5828

tetradic

#282B58 #582843 #585528 #28583D

square

#282B58 #582843 #585528 #28583D

split-complementary

#282B58 #583D28 #435828

monochromatic

#0A0A15 #15162E #282B58 #3B4082 #4E54AC

Accessibility & contrast

On white

13.32

#282B58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#282B58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B58

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B58	#FFFFFF	#000000	##FFFFFF
##282B58	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17315A

Deuteranopia (green-blind)

#132E57

Tritanopia (blue-blind)

#15353D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #282b58;
/* rgb */ color: rgb(40, 43, 88);
/* oklch */ color: oklch(31.2% 0.080 277.8);

Tailwind

colors: {
  custom: {
    50: '#666487',
    500: '#282b58',
    950: '#000000',
  },
}

SCSS

$custom: #282b58;
$custom-light: #666487;
$custom-dark: #000000;

JSON

{
  "hex": "#282b58",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 88
  },
  "hsl": {
    "h": 236.25,
    "s": 37.5,
    "l": 25.098
  },
  "oklch": {
    "l": 0.31167,
    "c": 0.07953,
    "h": 277.8
  },
  "luminance": 0.02883
}

Semantic roles & 50–950 ramp

primary

#282B58

secondary

#8B8751

accent

#C65ACD

background

#F6F5F8

surface

#EBEAEF

border

#C6C6CA

text

#06050B

muted

#7A797C

Preview Lab

Preview with #282B58

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

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