#233E88#233E88

#233E88 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 38.8% C 0.128 H 265.6°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#233E88
RGB	rgb(35, 62, 136)
HSL	hsl(224, 59%, 34%)
HSV	hsv(224, 74%, 53%)
CMYK	cmyk(74.3%, 54.4%, 0%, 46.7%)
CIE-LAB	lab(28.33, 17.10, -44.40)
CIE-LCH	lch(28.33, 47.57, 291.06°)
OKLab	oklab(38.83% -0.0098 -0.1277)
OKLCH	oklch(38.83% 0.128 265.6)
XYZ	xyz(6.8581, 5.5794, 24.0033)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E88 #886D23

analogous

#237088 #233E88 #3A2388

triadic

#233E88 #88233E #3E8823

tetradic

#233E88 #882370 #886D23 #23883A

square

#233E88 #882370 #886D23 #23883A

split-complementary

#233E88 #883A23 #708823

monochromatic

#0A1227 #162857 #233E88 #3054B9 #5375D3

Accessibility & contrast

On white

9.92

#233E88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#233E88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E88

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E88	#FFFFFF	#000000	##FFFFFF
##233E88	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#09488B

Deuteranopia (green-blind)

#003E87

Tritanopia (blue-blind)

#00505C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #233e88;
/* rgb */ color: rgb(35, 62, 136);
/* oklch */ color: oklch(38.8% 0.128 265.6);

Tailwind

colors: {
  custom: {
    50: '#6c72ab',
    500: '#233e88',
    950: '#000000',
  },
}

SCSS

$custom: #233e88;
$custom-light: #6c72ab;
$custom-dark: #000000;

JSON

{
  "hex": "#233e88",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 136
  },
  "hsl": {
    "h": 223.96,
    "s": 59.064,
    "l": 33.529
  },
  "oklch": {
    "l": 0.38828,
    "c": 0.12812,
    "h": 265.6
  },
  "luminance": 0.0558
}

Semantic roles & 50–950 ramp

primary

#233E88

secondary

#B79B50

accent

#B846E2

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#080810

muted

#7A7B7F

Preview Lab

Preview with #233E88

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

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