#233E89#233E89

#233E89 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.9% C 0.130 H 265.7°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#233E89
RGB	rgb(35, 62, 137)
HSL	hsl(224, 59%, 34%)
HSV	hsv(224, 74%, 54%)
CMYK	cmyk(74.5%, 54.7%, 0%, 46.3%)
CIE-LAB	lab(28.40, 17.49, -44.89)
CIE-LCH	lch(28.40, 48.18, 291.29°)
OKLab	oklab(38.91% -0.0097 -0.1292)
OKLCH	oklch(38.91% 0.13 265.7)
XYZ	xyz(6.9295, 5.6080, 24.3793)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E89 #896E23

analogous

#237189 #233E89 #3B2389

triadic

#233E89 #89233E #3E8923

tetradic

#233E89 #892371 #896E23 #23893B

square

#233E89 #892371 #896E23 #23893B

split-complementary

#233E89 #893B23 #718923

monochromatic

#0A1228 #172858 #233E89 #2F54BA #5375D3

Accessibility & contrast

On white

9.90

#233E89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#233E89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E89

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E89	#FFFFFF	#000000	##FFFFFF
##233E89	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#07488C

Deuteranopia (green-blind)

#003F88

Tritanopia (blue-blind)

#00505D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #233e89;
/* rgb */ color: rgb(35, 62, 137);
/* oklch */ color: oklch(38.9% 0.130 265.7);

Tailwind

colors: {
  custom: {
    50: '#6d72ac',
    500: '#233e89',
    950: '#000000',
  },
}

SCSS

$custom: #233e89;
$custom-light: #6d72ac;
$custom-dark: #000000;

JSON

{
  "hex": "#233e89",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 137
  },
  "hsl": {
    "h": 224.118,
    "s": 59.302,
    "l": 33.725
  },
  "oklch": {
    "l": 0.38909,
    "c": 0.12958,
    "h": 265.7
  },
  "luminance": 0.05609
}

Semantic roles & 50–950 ramp

primary

#233E89

secondary

#B79C51

accent

#B945E2

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #233E89

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

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