#234F8D#234F8D

#234F8D is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.1% C 0.114 H 257.5°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#234F8D
RGB	rgb(35, 79, 141)
HSL	hsl(215, 60%, 35%)
HSV	hsv(215, 75%, 55%)
CMYK	cmyk(75.2%, 44%, 0%, 44.7%)
CIE-LAB	lab(33.71, 7.50, -38.80)
CIE-LCH	lch(33.71, 39.52, 280.94°)
OKLab	oklab(43.07% -0.0246 -0.111)
OKLCH	oklch(43.07% 0.114 257.5)
XYZ	xyz(8.2951, 7.8715, 26.2763)
Luminance	0.0787 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234F8D #8D6123

analogous

#23848D #234F8D #2C238D

triadic

#234F8D #8D234F #4F8D23

tetradic

#234F8D #8D2384 #8D6123 #238D2C

square

#234F8D #8D2384 #8D6123 #238D2C

split-complementary

#234F8D #8D2C23 #848D23

monochromatic

#0B182B #17345C #234F8D #2F6ABE #558AD5

Accessibility & contrast

On white

8.16

#234F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#234F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234F8D

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234F8D	#FFFFFF	#000000	##FFFFFF
##234F8D	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31558F

Deuteranopia (green-blind)

#1E4B8C

Tritanopia (blue-blind)

#005E67

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #234f8d;
/* rgb */ color: rgb(35, 79, 141);
/* oklch */ color: oklch(43.1% 0.114 257.5);

Tailwind

colors: {
  custom: {
    50: '#6d7faf',
    500: '#234f8d',
    950: '#000000',
  },
}

SCSS

$custom: #234f8d;
$custom-light: #6d7faf;
$custom-dark: #000000;

JSON

{
  "hex": "#234f8d",
  "rgb": {
    "r": 35,
    "g": 79,
    "b": 141
  },
  "hsl": {
    "h": 215.094,
    "s": 60.227,
    "l": 34.51
  },
  "oklch": {
    "l": 0.43067,
    "c": 0.11367,
    "h": 257.5
  },
  "luminance": 0.07872
}

Semantic roles & 50–950 ramp

primary

#234F8D

secondary

#B98F53

accent

#A144E3

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #234F8D

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

Preview Lab → · Contrast checker → · Palette generator →