#234F9F#234F9F

#234F9F is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.4% C 0.139 H 261.2°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#234F9F
RGB	rgb(35, 79, 159)
HSL	hsl(219, 64%, 38%)
HSV	hsv(219, 78%, 62%)
CMYK	cmyk(78%, 50.3%, 0%, 37.6%)
CIE-LAB	lab(34.91, 14.60, -47.80)
CIE-LCH	lch(34.91, 49.98, 286.98°)
OKLab	oklab(44.37% -0.0214 -0.1374)
OKLCH	oklch(44.37% 0.139 261.2)
XYZ	xyz(9.7449, 8.4514, 33.9119)
Luminance	0.0845 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234F9F #9F7323

analogous

#238D9F #234F9F #35239F

triadic

#234F9F #9F234F #4F9F23

tetradic

#234F9F #9F238D #9F7323 #239F35

square

#234F9F #9F238D #9F7323 #239F35

split-complementary

#234F9F #9F3523 #8D9F23

monochromatic

#0D1D3B #18366D #234F9F #2E68D1 #608CDC

Accessibility & contrast

On white

7.81

#234F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#234F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234F9F

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234F9F	#FFFFFF	#000000	##FFFFFF
##234F9F	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F58A2

Deuteranopia (green-blind)

#004D9D

Tritanopia (blue-blind)

#00626F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #234f9f;
/* rgb */ color: rgb(35, 79, 159);
/* oklch */ color: oklch(44.4% 0.139 261.2);

Tailwind

colors: {
  custom: {
    50: '#717fbc',
    500: '#234f9f',
    950: '#000000',
  },
}

SCSS

$custom: #234f9f;
$custom-light: #717fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#234f9f",
  "rgb": {
    "r": 35,
    "g": 79,
    "b": 159
  },
  "hsl": {
    "h": 218.71,
    "s": 63.918,
    "l": 38.039
  },
  "oklch": {
    "l": 0.44368,
    "c": 0.1391,
    "h": 261.2
  },
  "luminance": 0.08452
}

Semantic roles & 50–950 ramp

primary

#234F9F

secondary

#C19D5D

accent

#AC41E7

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #234F9F

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

Preview Lab → · Contrast checker → · Palette generator →