#234C8D#234C8D

#234C8D is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.4% C 0.117 H 259.3°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#234C8D
RGB	rgb(35, 76, 141)
HSL	hsl(217, 60%, 35%)
HSV	hsv(217, 75%, 55%)
CMYK	cmyk(75.2%, 46.1%, 0%, 44.7%)
CIE-LAB	lab(32.81, 9.51, -40.26)
CIE-LCH	lch(32.81, 41.36, 283.29°)
OKLab	oklab(42.37% -0.0217 -0.1153)
OKLCH	oklch(42.37% 0.117 259.3)
XYZ	xyz(8.0836, 7.4484, 26.2058)
Luminance	0.0745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234C8D #8D6423

analogous

#23818D #234C8D #2F238D

triadic

#234C8D #8D234C #4C8D23

tetradic

#234C8D #8D2381 #8D6423 #238D2F

square

#234C8D #8D2381 #8D6423 #238D2F

split-complementary

#234C8D #8D2F23 #818D23

monochromatic

#0B172B #17325C #234C8D #2F66BE #5587D5

Accessibility & contrast

On white

8.43

#234C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#234C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234C8D

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234C8D	#FFFFFF	#000000	##FFFFFF
##234C8D	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B528F

Deuteranopia (green-blind)

#15498C

Tritanopia (blue-blind)

#005B65

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #234c8d;
/* rgb */ color: rgb(35, 76, 141);
/* oklch */ color: oklch(42.4% 0.117 259.3);

Tailwind

colors: {
  custom: {
    50: '#6d7daf',
    500: '#234c8d',
    950: '#000000',
  },
}

SCSS

$custom: #234c8d;
$custom-light: #6d7daf;
$custom-dark: #000000;

JSON

{
  "hex": "#234c8d",
  "rgb": {
    "r": 35,
    "g": 76,
    "b": 141
  },
  "hsl": {
    "h": 216.792,
    "s": 60.227,
    "l": 34.51
  },
  "oklch": {
    "l": 0.42366,
    "c": 0.11734,
    "h": 259.3
  },
  "luminance": 0.07449
}

Semantic roles & 50–950 ramp

primary

#234C8D

secondary

#B99153

accent

#A644E3

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #234C8D

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

Preview Lab → · Contrast checker → · Palette generator →