#233D5F#233D5F

#233D5F is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.6% C 0.068 H 255.7°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#233D5F
RGB	rgb(35, 61, 95)
HSL	hsl(214, 46%, 25%)
HSV	hsv(214, 63%, 37%)
CMYK	cmyk(63.2%, 35.8%, 0%, 62.7%)
CIE-LAB	lab(25.32, 1.78, -23.19)
CIE-LCH	lch(25.32, 23.26, 274.39°)
OKLab	oklab(35.65% -0.0167 -0.0655)
OKLCH	oklch(35.65% 0.068 255.7)
XYZ	xyz(4.4267, 4.5206, 11.4635)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233D5F #5F4523

analogous

#235B5F #233D5F #27235F

triadic

#233D5F #5F233D #3D5F23

tetradic

#233D5F #5F235B #5F4523 #235F27

square

#233D5F #5F235B #5F4523 #235F27

split-complementary

#233D5F #5F2723 #5B5F23

monochromatic

#080E16 #132032 #233D5F #335A8C #4476B8

Accessibility & contrast

On white

11.03

#233D5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#233D5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233D5F

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233D5F	#FFFFFF	#000000	##FFFFFF
##233D5F	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3F60

Deuteranopia (green-blind)

#27395E

Tritanopia (blue-blind)

#004549

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #233d5f;
/* rgb */ color: rgb(35, 61, 95);
/* oklch */ color: oklch(35.6% 0.068 255.7);

Tailwind

colors: {
  custom: {
    50: '#64728c',
    500: '#233d5f',
    950: '#000000',
  },
}

SCSS

$custom: #233d5f;
$custom-light: #64728c;
$custom-dark: #000000;

JSON

{
  "hex": "#233d5f",
  "rgb": {
    "r": 35,
    "g": 61,
    "b": 95
  },
  "hsl": {
    "h": 214,
    "s": 46.154,
    "l": 25.49
  },
  "oklch": {
    "l": 0.3565,
    "c": 0.06763,
    "h": 255.7
  },
  "luminance": 0.04521
}

Semantic roles & 50–950 ramp

primary

#233D5F

secondary

#93744B

accent

#9D52D6

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #233D5F

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

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