#234D89#234D89

#234D89 is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.3% C 0.110 H 257.7°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#234D89
RGB	rgb(35, 77, 137)
HSL	hsl(215, 59%, 34%)
HSV	hsv(215, 74%, 54%)
CMYK	cmyk(74.5%, 43.8%, 0%, 46.3%)
CIE-LAB	lab(32.85, 7.26, -37.73)
CIE-LCH	lch(32.85, 38.42, 280.90°)
OKLab	oklab(42.32% -0.0235 -0.1079)
OKLCH	oklch(42.32% 0.11 257.7)
XYZ	xyz(7.8607, 7.4704, 24.6897)
Luminance	0.0747 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#234D89 #895F23

analogous

#238089 #234D89 #2C2389

triadic

#234D89 #89234D #4D8923

tetradic

#234D89 #892380 #895F23 #23892C

square

#234D89 #892380 #895F23 #23892C

split-complementary

#234D89 #892C23 #808923

monochromatic

#0A1628 #173258 #234D89 #2F68BA #5388D3

Accessibility & contrast

On white

8.42

#234D89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#234D89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234D89

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##234D89	#FFFFFF	#000000	##FFFFFF
##234D89	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30528B

Deuteranopia (green-blind)

#1E4988

Tritanopia (blue-blind)

#005B64

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #234d89;
/* rgb */ color: rgb(35, 77, 137);
/* oklch */ color: oklch(42.3% 0.110 257.7);

Tailwind

colors: {
  custom: {
    50: '#6c7eac',
    500: '#234d89',
    950: '#000000',
  },
}

SCSS

$custom: #234d89;
$custom-light: #6c7eac;
$custom-dark: #000000;

JSON

{
  "hex": "#234d89",
  "rgb": {
    "r": 35,
    "g": 77,
    "b": 137
  },
  "hsl": {
    "h": 215.294,
    "s": 59.302,
    "l": 33.725
  },
  "oklch": {
    "l": 0.42321,
    "c": 0.11039,
    "h": 257.7
  },
  "luminance": 0.07471
}

Semantic roles & 50–950 ramp

primary

#234D89

secondary

#B78D51

accent

#A245E2

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #234D89

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

Preview Lab → · Contrast checker → · Palette generator →