#233A68#233A68

#233A68 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.5% C 0.085 H 262.8°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#233A68
RGB	rgb(35, 58, 104)
HSL	hsl(220, 50%, 27%)
HSV	hsv(220, 66%, 41%)
CMYK	cmyk(66.3%, 44.2%, 0%, 59.2%)
CIE-LAB	lab(24.90, 7.29, -29.69)
CIE-LCH	lch(24.90, 30.57, 283.80°)
OKLab	oklab(35.49% -0.0107 -0.0846)
OKLCH	oklch(35.49% 0.085 262.8)
XYZ	xyz(4.7040, 4.3825, 13.6920)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233A68 #685123

analogous

#235D68 #233A68 #2F2368

triadic

#233A68 #68233A #3A6823

tetradic

#233A68 #68235D #685123 #23682F

square

#233A68 #68235D #685123 #23682F

split-complementary

#233A68 #682F23 #5D6823

monochromatic

#080D17 #14203A #233A68 #325496 #456EC0

Accessibility & contrast

On white

11.19

#233A68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#233A68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A68

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233A68	#FFFFFF	#000000	##FFFFFF
##233A68	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253E6A

Deuteranopia (green-blind)

#1B3867

Tritanopia (blue-blind)

#00444C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #233a68;
/* rgb */ color: rgb(35, 58, 104);
/* oklch */ color: oklch(35.5% 0.085 262.8);

Tailwind

colors: {
  custom: {
    50: '#656f93',
    500: '#233a68',
    950: '#000000',
  },
}

SCSS

$custom: #233a68;
$custom-light: #656f93;
$custom-dark: #000000;

JSON

{
  "hex": "#233a68",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 104
  },
  "hsl": {
    "h": 220,
    "s": 49.64,
    "l": 27.255
  },
  "oklch": {
    "l": 0.35494,
    "c": 0.08524,
    "h": 262.8
  },
  "luminance": 0.04383
}

Semantic roles & 50–950 ramp

primary

#233A68

secondary

#9B814B

accent

#AB4FD9

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #233A68

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

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