#233D5E#233D5E

#233D5E is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.6% C 0.066 H 255.1°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#233D5E
RGB	rgb(35, 61, 94)
HSL	hsl(214, 46%, 25%)
HSV	hsv(214, 63%, 37%)
CMYK	cmyk(62.8%, 35.1%, 0%, 63.1%)
CIE-LAB	lab(25.27, 1.40, -22.63)
CIE-LCH	lch(25.27, 22.67, 273.54°)
OKLab	oklab(35.59% -0.017 -0.0639)
OKLCH	oklch(35.59% 0.066 255.1)
XYZ	xyz(4.3815, 4.5026, 11.2257)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233D5E #5E4423

analogous

#235A5E #233D5E #26235E

triadic

#233D5E #5E233D #3D5E23

tetradic

#233D5E #5E235A #5E4423 #235E26

square

#233D5E #5E235A #5E4423 #235E26

split-complementary

#233D5E #5E2623 #5A5E23

monochromatic

#080E16 #122031 #233D5E #345A8B #4477B7

Accessibility & contrast

On white

11.05

#233D5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#233D5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233D5E

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233D5E	#FFFFFF	#000000	##FFFFFF
##233D5E	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3F5F

Deuteranopia (green-blind)

#28395D

Tritanopia (blue-blind)

#004449

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #233d5e;
/* rgb */ color: rgb(35, 61, 94);
/* oklch */ color: oklch(35.6% 0.066 255.1);

Tailwind

colors: {
  custom: {
    50: '#64728c',
    500: '#233d5e',
    950: '#000000',
  },
}

SCSS

$custom: #233d5e;
$custom-light: #64728c;
$custom-dark: #000000;

JSON

{
  "hex": "#233d5e",
  "rgb": {
    "r": 35,
    "g": 61,
    "b": 94
  },
  "hsl": {
    "h": 213.559,
    "s": 45.736,
    "l": 25.294
  },
  "oklch": {
    "l": 0.35589,
    "c": 0.06612,
    "h": 255.1
  },
  "luminance": 0.04503
}

Semantic roles & 50–950 ramp

primary

#233D5E

secondary

#92734B

accent

#9C52D5

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #233D5E

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

Preview Lab → · Contrast checker → · Palette generator →