#234C8F#234C8F

#234C8F is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.5% C 0.120 H 259.8°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#234C8F
RGB	rgb(35, 76, 143)
HSL	hsl(217, 61%, 35%)
HSV	hsv(217, 76%, 56%)
CMYK	cmyk(75.5%, 46.9%, 0%, 43.9%)
CIE-LAB	lab(32.94, 10.30, -41.27)
CIE-LCH	lch(32.94, 42.54, 284.01°)
OKLab	oklab(42.51% -0.0214 -0.1183)
OKLCH	oklch(42.51% 0.12 259.8)
XYZ	xyz(8.2337, 7.5085, 26.9966)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234C8F #8F6623

analogous

#23828F #234C8F #30238F

triadic

#234C8F #8F234C #4C8F23

tetradic

#234C8F #8F2382 #8F6623 #238F30

square

#234C8F #8F2382 #8F6623 #238F30

split-complementary

#234C8F #8F3023 #828F23

monochromatic

#0B182D #17325E #234C8F #2F66C0 #5787D6

Accessibility & contrast

On white

8.39

#234C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#234C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234C8F

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234C8F	#FFFFFF	#000000	##FFFFFF
##234C8F	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#295392

Deuteranopia (green-blind)

#11498E

Tritanopia (blue-blind)

#005C66

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #234c8f;
/* rgb */ color: rgb(35, 76, 143);
/* oklch */ color: oklch(42.5% 0.120 259.8);

Tailwind

colors: {
  custom: {
    50: '#6d7db0',
    500: '#234c8f',
    950: '#000000',
  },
}

SCSS

$custom: #234c8f;
$custom-light: #6d7db0;
$custom-dark: #000000;

JSON

{
  "hex": "#234c8f",
  "rgb": {
    "r": 35,
    "g": 76,
    "b": 143
  },
  "hsl": {
    "h": 217.222,
    "s": 60.674,
    "l": 34.902
  },
  "oklch": {
    "l": 0.42509,
    "c": 0.1202,
    "h": 259.8
  },
  "luminance": 0.07509
}

Semantic roles & 50–950 ramp

primary

#234C8F

secondary

#BA9354

accent

#A744E4

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #234C8F

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

Preview Lab → · Contrast checker → · Palette generator →