#234583#234583

#234583 is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.0% C 0.112 H 261.3°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#234583
RGB	rgb(35, 69, 131)
HSL	hsl(219, 58%, 33%)
HSV	hsv(219, 73%, 51%)
CMYK	cmyk(73.3%, 47.3%, 0%, 48.6%)
CIE-LAB	lab(30.04, 10.31, -38.53)
CIE-LCH	lch(30.04, 39.89, 284.97°)
OKLab	oklab(40.02% -0.0169 -0.1104)
OKLCH	oklch(40.02% 0.112 261.3)
XYZ	xyz(6.9165, 6.2515, 22.3105)
Luminance	0.0625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234583 #836123

analogous

#237583 #234583 #312383

triadic

#234583 #832345 #458323

tetradic

#234583 #832375 #836123 #238331

square

#234583 #832375 #836123 #238331

split-complementary

#234583 #833123 #758323

monochromatic

#091222 #162C53 #234583 #305EB3 #507ED0

Accessibility & contrast

On white

9.33

#234583 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#234583 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234583

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234583	#FFFFFF	#000000	##FFFFFF
##234583	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254B85

Deuteranopia (green-blind)

#114382

Tritanopia (blue-blind)

#00545D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #234583;
/* rgb */ color: rgb(35, 69, 131);
/* oklch */ color: oklch(40.0% 0.112 261.3);

Tailwind

colors: {
  custom: {
    50: '#6b78a7',
    500: '#234583',
    950: '#000000',
  },
}

SCSS

$custom: #234583;
$custom-light: #6b78a7;
$custom-dark: #000000;

JSON

{
  "hex": "#234583",
  "rgb": {
    "r": 35,
    "g": 69,
    "b": 131
  },
  "hsl": {
    "h": 218.75,
    "s": 57.831,
    "l": 32.549
  },
  "oklch": {
    "l": 0.40022,
    "c": 0.11166,
    "h": 261.3
  },
  "luminance": 0.06252
}

Semantic roles & 50–950 ramp

primary

#234583

secondary

#B4904E

accent

#AA47E1

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #234583

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

Preview Lab → · Contrast checker → · Palette generator →