#233C5F#233C5F

#233C5F is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.4% C 0.069 H 257.0°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#233C5F
RGB	rgb(35, 60, 95)
HSL	hsl(215, 46%, 25%)
HSV	hsv(215, 63%, 37%)
CMYK	cmyk(63.2%, 36.8%, 0%, 62.7%)
CIE-LAB	lab(25.00, 2.46, -23.70)
CIE-LCH	lch(25.00, 23.83, 275.92°)
OKLab	oklab(35.4% -0.0155 -0.067)
OKLCH	oklch(35.4% 0.069 257)
XYZ	xyz(4.3738, 4.4149, 11.4459)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233C5F #5F4623

analogous

#235A5F #233C5F #28235F

triadic

#233C5F #5F233C #3C5F23

tetradic

#233C5F #5F235A #5F4623 #235F28

square

#233C5F #5F235A #5F4623 #235F28

split-complementary

#233C5F #5F2823 #5A5F23

monochromatic

#080E16 #132032 #233C5F #33588C #4474B8

Accessibility & contrast

On white

11.15

#233C5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#233C5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233C5F

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233C5F	#FFFFFF	#000000	##FFFFFF
##233C5F	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3E60

Deuteranopia (green-blind)

#26395E

Tritanopia (blue-blind)

#004449

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #233c5f;
/* rgb */ color: rgb(35, 60, 95);
/* oklch */ color: oklch(35.4% 0.069 257.0);

Tailwind

colors: {
  custom: {
    50: '#64718c',
    500: '#233c5f',
    950: '#000000',
  },
}

SCSS

$custom: #233c5f;
$custom-light: #64718c;
$custom-dark: #000000;

JSON

{
  "hex": "#233c5f",
  "rgb": {
    "r": 35,
    "g": 60,
    "b": 95
  },
  "hsl": {
    "h": 215,
    "s": 46.154,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35397,
    "c": 0.06879,
    "h": 257
  },
  "luminance": 0.04415
}

Semantic roles & 50–950 ramp

primary

#233C5F

secondary

#93754B

accent

#9F52D6

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #233C5F

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

Preview Lab → · Contrast checker → · Palette generator →