#234D8D#234D8D

#234D8D is a dark, moderate blue. Relative luminance 0.076; OKLCH L 42.6% C 0.116 H 258.7°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#234D8D
RGB	rgb(35, 77, 141)
HSL	hsl(216, 60%, 35%)
HSV	hsv(216, 75%, 55%)
CMYK	cmyk(75.2%, 45.4%, 0%, 44.7%)
CIE-LAB	lab(33.11, 8.84, -39.77)
CIE-LCH	lch(33.11, 40.74, 282.53°)
OKLab	oklab(42.6% -0.0227 -0.1139)
OKLCH	oklch(42.6% 0.116 258.7)
XYZ	xyz(8.1530, 7.5873, 26.2289)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234D8D #8D6323

analogous

#23828D #234D8D #2E238D

triadic

#234D8D #8D234D #4D8D23

tetradic

#234D8D #8D2382 #8D6323 #238D2E

square

#234D8D #8D2382 #8D6323 #238D2E

split-complementary

#234D8D #8D2E23 #828D23

monochromatic

#0B172B #17325C #234D8D #2F68BE #5588D5

Accessibility & contrast

On white

8.34

#234D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#234D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234D8D

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234D8D	#FFFFFF	#000000	##FFFFFF
##234D8D	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D538F

Deuteranopia (green-blind)

#18498C

Tritanopia (blue-blind)

#005C66

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #234d8d;
/* rgb */ color: rgb(35, 77, 141);
/* oklch */ color: oklch(42.6% 0.116 258.7);

Tailwind

colors: {
  custom: {
    50: '#6d7eaf',
    500: '#234d8d',
    950: '#000000',
  },
}

SCSS

$custom: #234d8d;
$custom-light: #6d7eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#234d8d",
  "rgb": {
    "r": 35,
    "g": 77,
    "b": 141
  },
  "hsl": {
    "h": 216.226,
    "s": 60.227,
    "l": 34.51
  },
  "oklch": {
    "l": 0.42599,
    "c": 0.1161,
    "h": 258.7
  },
  "luminance": 0.07588
}

Semantic roles & 50–950 ramp

primary

#234D8D

secondary

#B99053

accent

#A444E3

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #234D8D

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

Preview Lab → · Contrast checker → · Palette generator →