#23498B#23498B

#23498B is a dark, moderate blue. Relative luminance 0.070; OKLCH L 41.5% C 0.118 H 260.6°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#23498B
RGB	rgb(35, 73, 139)
HSL	hsl(218, 60%, 34%)
HSV	hsv(218, 75%, 55%)
CMYK	cmyk(74.8%, 47.5%, 0%, 45.5%)
CIE-LAB	lab(31.77, 10.74, -40.69)
CIE-LCH	lch(31.77, 42.08, 284.79°)
OKLab	oklab(41.53% -0.0193 -0.1166)
OKLCH	oklch(41.53% 0.118 260.6)
XYZ	xyz(7.7342, 6.9857, 25.3618)
Luminance	0.0699 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23498B #8B6523

analogous

#237D8B #23498B #31238B

triadic

#23498B #8B2349 #498B23

tetradic

#23498B #8B237D #8B6523 #238B31

square

#23498B #8B237D #8B6523 #238B31

split-complementary

#23498B #8B3123 #7D8B23

monochromatic

#0A1629 #172F5A #23498B #2F63BC #5483D4

Accessibility & contrast

On white

8.76

#23498B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#23498B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23498B

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23498B	#FFFFFF	#000000	##FFFFFF
##23498B	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26508D

Deuteranopia (green-blind)

#0F468A

Tritanopia (blue-blind)

#005963

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #23498b;
/* rgb */ color: rgb(35, 73, 139);
/* oklch */ color: oklch(41.5% 0.118 260.6);

Tailwind

colors: {
  custom: {
    50: '#6d7bad',
    500: '#23498b',
    950: '#000000',
  },
}

SCSS

$custom: #23498b;
$custom-light: #6d7bad;
$custom-dark: #000000;

JSON

{
  "hex": "#23498b",
  "rgb": {
    "r": 35,
    "g": 73,
    "b": 139
  },
  "hsl": {
    "h": 218.077,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.41528,
    "c": 0.11822,
    "h": 260.6
  },
  "luminance": 0.06986
}

Semantic roles & 50–950 ramp

primary

#23498B

secondary

#B89352

accent

#A945E3

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #23498B

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

Preview Lab → · Contrast checker → · Palette generator →