#234C8B#234C8B

#234C8B is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.2% C 0.114 H 258.9°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#234C8B
RGB	rgb(35, 76, 139)
HSL	hsl(216, 60%, 34%)
HSV	hsv(216, 75%, 55%)
CMYK	cmyk(74.8%, 45.3%, 0%, 45.5%)
CIE-LAB	lab(32.68, 8.72, -39.24)
CIE-LCH	lch(32.68, 40.20, 282.53°)
OKLab	oklab(42.23% -0.0221 -0.1123)
OKLCH	oklch(42.23% 0.114 258.9)
XYZ	xyz(7.9361, 7.3894, 25.4291)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234C8B #8B6223

analogous

#23808B #234C8B #2E238B

triadic

#234C8B #8B234C #4C8B23

tetradic

#234C8B #8B2380 #8B6223 #238B2E

square

#234C8B #8B2380 #8B6223 #238B2E

split-complementary

#234C8B #8B2E23 #808B23

monochromatic

#0A1729 #17315A #234C8B #2F67BC #5487D4

Accessibility & contrast

On white

8.47

#234C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#234C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234C8B

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234C8B	#FFFFFF	#000000	##FFFFFF
##234C8B	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D528D

Deuteranopia (green-blind)

#19488A

Tritanopia (blue-blind)

#005B64

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #234c8b;
/* rgb */ color: rgb(35, 76, 139);
/* oklch */ color: oklch(42.2% 0.114 258.9);

Tailwind

colors: {
  custom: {
    50: '#6c7dad',
    500: '#234c8b',
    950: '#000000',
  },
}

SCSS

$custom: #234c8b;
$custom-light: #6c7dad;
$custom-dark: #000000;

JSON

{
  "hex": "#234c8b",
  "rgb": {
    "r": 35,
    "g": 76,
    "b": 139
  },
  "hsl": {
    "h": 216.346,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.42225,
    "c": 0.11448,
    "h": 258.9
  },
  "luminance": 0.0739
}

Semantic roles & 50–950 ramp

primary

#234C8B

secondary

#B89052

accent

#A545E3

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #234C8B

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

Preview Lab → · Contrast checker → · Palette generator →