#2830A5#2830A5

#2830A5 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.1% C 0.184 H 271.3°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#2830A5
RGB	rgb(40, 48, 165)
HSL	hsl(236, 61%, 40%)
HSV	hsv(236, 76%, 65%)
CMYK	cmyk(75.8%, 70.9%, 0%, 35.3%)
CIE-LAB	lab(27.52, 37.93, -63.45)
CIE-LCH	lch(27.52, 73.93, 300.87°)
OKLab	oklab(39.09% 0.0043 -0.1836)
OKLCH	oklch(39.09% 0.184 271.3)
XYZ	xyz(8.7213, 5.2807, 36.1497)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2830A5 #A59D28

analogous

#286EA5 #2830A5 #5E28A5

triadic

#2830A5 #A52830 #30A528

tetradic

#2830A5 #A5286E #A59D28 #28A55E

square

#2830A5 #A5286E #A59D28 #28A55E

split-complementary

#2830A5 #A55E28 #6EA528

monochromatic

#101342 #1C2274 #2830A5 #3B44CF #6C73DB

Accessibility & contrast

On white

10.21

#2830A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2830A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2830A5

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2830A5	#FFFFFF	#000000	##FFFFFF
##2830A5	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A9

Deuteranopia (green-blind)

#003BA3

Tritanopia (blue-blind)

#005167

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2830a5;
/* rgb */ color: rgb(40, 48, 165);
/* oklch */ color: oklch(39.1% 0.184 271.3);

Tailwind

colors: {
  custom: {
    50: '#7769c1',
    500: '#2830a5',
    950: '#000000',
  },
}

SCSS

$custom: #2830a5;
$custom-light: #7769c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2830a5",
  "rgb": {
    "r": 40,
    "g": 48,
    "b": 165
  },
  "hsl": {
    "h": 236.16,
    "s": 60.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.39085,
    "c": 0.18369,
    "h": 271.3
  },
  "luminance": 0.05282
}

Semantic roles & 50–950 ramp

primary

#2830A5

secondary

#C2BC67

accent

#DA44E4

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2830A5

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

Preview Lab → · Contrast checker → · Palette generator →