#234D8F#234D8F

#234D8F is a dark, moderate blue. Relative luminance 0.076; OKLCH L 42.7% C 0.119 H 259.2°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#234D8F
RGB	rgb(35, 77, 143)
HSL	hsl(217, 61%, 35%)
HSV	hsv(217, 76%, 56%)
CMYK	cmyk(75.5%, 46.2%, 0%, 43.9%)
CIE-LAB	lab(33.24, 9.63, -40.79)
CIE-LCH	lch(33.24, 41.91, 283.28°)
OKLab	oklab(42.74% -0.0223 -0.1169)
OKLCH	oklch(42.74% 0.119 259.2)
XYZ	xyz(8.3031, 7.6473, 27.0198)
Luminance	0.0765 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234D8F #8F6523

analogous

#23838F #234D8F #2F238F

triadic

#234D8F #8F234D #4D8F23

tetradic

#234D8F #8F2383 #8F6523 #238F2F

square

#234D8F #8F2383 #8F6523 #238F2F

split-complementary

#234D8F #8F2F23 #838F23

monochromatic

#0B182D #17335E #234D8F #2F67C0 #5788D6

Accessibility & contrast

On white

8.30

#234D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#234D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234D8F

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234D8F	#FFFFFF	#000000	##FFFFFF
##234D8F	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5392

Deuteranopia (green-blind)

#154A8E

Tritanopia (blue-blind)

#005D67

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #234d8f;
/* rgb */ color: rgb(35, 77, 143);
/* oklch */ color: oklch(42.7% 0.119 259.2);

Tailwind

colors: {
  custom: {
    50: '#6d7eb0',
    500: '#234d8f',
    950: '#000000',
  },
}

SCSS

$custom: #234d8f;
$custom-light: #6d7eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#234d8f",
  "rgb": {
    "r": 35,
    "g": 77,
    "b": 143
  },
  "hsl": {
    "h": 216.667,
    "s": 60.674,
    "l": 34.902
  },
  "oklch": {
    "l": 0.4274,
    "c": 0.11896,
    "h": 259.2
  },
  "luminance": 0.07648
}

Semantic roles & 50–950 ramp

primary

#234D8F

secondary

#BA9254

accent

#A644E4

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #234D8F

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

Preview Lab → · Contrast checker → · Palette generator →