#234F9D#234F9D

#234F9D is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.2% C 0.136 H 260.9°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#234F9D
RGB	rgb(35, 79, 157)
HSL	hsl(218, 64%, 38%)
HSV	hsv(218, 78%, 62%)
CMYK	cmyk(77.7%, 49.7%, 0%, 38.4%)
CIE-LAB	lab(34.77, 13.81, -46.82)
CIE-LCH	lch(34.77, 48.81, 286.43°)
OKLab	oklab(44.22% -0.0217 -0.1346)
OKLCH	oklch(44.22% 0.136 260.9)
XYZ	xyz(9.5727, 8.3825, 33.0052)
Luminance	0.0838 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234F9D #9D7123

analogous

#238C9D #234F9D #34239D

triadic

#234F9D #9D234F #4F9D23

tetradic

#234F9D #9D238C #9D7123 #239D34

square

#234F9D #9D238C #9D7123 #239D34

split-complementary

#234F9D #9D3423 #8C9D23

monochromatic

#0D1D39 #18366B #234F9D #2E68CF #5F8CDB

Accessibility & contrast

On white

7.85

#234F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#234F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234F9D

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234F9D	#FFFFFF	#000000	##FFFFFF
##234F9D	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2258A0

Deuteranopia (green-blind)

#004D9B

Tritanopia (blue-blind)

#00626E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #234f9d;
/* rgb */ color: rgb(35, 79, 157);
/* oklch */ color: oklch(44.2% 0.136 260.9);

Tailwind

colors: {
  custom: {
    50: '#717fba',
    500: '#234f9d',
    950: '#000000',
  },
}

SCSS

$custom: #234f9d;
$custom-light: #717fba;
$custom-dark: #000000;

JSON

{
  "hex": "#234f9d",
  "rgb": {
    "r": 35,
    "g": 79,
    "b": 157
  },
  "hsl": {
    "h": 218.361,
    "s": 63.542,
    "l": 37.647
  },
  "oklch": {
    "l": 0.44218,
    "c": 0.13629,
    "h": 260.9
  },
  "luminance": 0.08384
}

Semantic roles & 50–950 ramp

primary

#234F9D

secondary

#C09C5C

accent

#AB41E7

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #234F9D

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

Preview Lab → · Contrast checker → · Palette generator →