#23509B#23509B

#23509B is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.3% C 0.132 H 260.1°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#23509B
RGB	rgb(35, 80, 155)
HSL	hsl(218, 63%, 37%)
HSV	hsv(218, 77%, 61%)
CMYK	cmyk(77.4%, 48.4%, 0%, 39.2%)
CIE-LAB	lab(34.92, 12.35, -45.36)
CIE-LCH	lch(34.92, 47.01, 285.23°)
OKLab	oklab(44.29% -0.0228 -0.1303)
OKLCH	oklch(44.29% 0.132 260.1)
XYZ	xyz(9.4760, 8.4601, 32.1375)
Luminance	0.0846 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23509B #9B6E23

analogous

#238C9B #23509B #32239B

triadic

#23509B #9B2350 #509B23

tetradic

#23509B #9B238C #9B6E23 #239B32

square

#23509B #9B238C #9B6E23 #239B32

split-complementary

#23509B #9B3223 #8C9B23

monochromatic

#0C1C37 #183669 #23509B #2E6ACD #5E8DDB

Accessibility & contrast

On white

7.80

#23509B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#23509B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23509B

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23509B	#FFFFFF	#000000	##FFFFFF
##23509B	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27589E

Deuteranopia (green-blind)

#024D99

Tritanopia (blue-blind)

#00626E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #23509b;
/* rgb */ color: rgb(35, 80, 155);
/* oklch */ color: oklch(44.3% 0.132 260.1);

Tailwind

colors: {
  custom: {
    50: '#7080b9',
    500: '#23509b',
    950: '#000000',
  },
}

SCSS

$custom: #23509b;
$custom-light: #7080b9;
$custom-dark: #000000;

JSON

{
  "hex": "#23509b",
  "rgb": {
    "r": 35,
    "g": 80,
    "b": 155
  },
  "hsl": {
    "h": 217.5,
    "s": 63.158,
    "l": 37.255
  },
  "oklch": {
    "l": 0.44294,
    "c": 0.13224,
    "h": 260.1
  },
  "luminance": 0.08461
}

Semantic roles & 50–950 ramp

primary

#23509B

secondary

#BF9A5A

accent

#A842E6

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #23509B

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

Preview Lab → · Contrast checker → · Palette generator →