#233D58#233D58

#233D58 is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.2% C 0.057 H 250.6°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#233D58
RGB	rgb(35, 61, 88)
HSL	hsl(211, 43%, 24%)
HSV	hsv(211, 60%, 35%)
CMYK	cmyk(60.2%, 30.7%, 0%, 65.5%)
CIE-LAB	lab(24.95, -0.83, -19.22)
CIE-LCH	lch(24.95, 19.24, 267.54°)
OKLab	oklab(35.24% -0.019 -0.054)
OKLCH	oklch(35.24% 0.057 250.6)
XYZ	xyz(4.1227, 4.3990, 9.8625)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233D58 #583E23

analogous

#235858 #233D58 #242358

triadic

#233D58 #58233D #3D5823

tetradic

#233D58 #582358 #583E23 #235824

square

#233D58 #582358 #583E23 #235824

split-complementary

#233D58 #582423 #585823

monochromatic

#090F16 #121F2C #233D58 #345B84 #467AB0

Accessibility & contrast

On white

11.17

#233D58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#233D58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233D58

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233D58	#FFFFFF	#000000	##FFFFFF
##233D58	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323E59

Deuteranopia (green-blind)

#2B3957

Tritanopia (blue-blind)

#004346

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #233d58;
/* rgb */ color: rgb(35, 61, 88);
/* oklch */ color: oklch(35.2% 0.057 250.6);

Tailwind

colors: {
  custom: {
    50: '#637287',
    500: '#233d58',
    950: '#000000',
  },
}

SCSS

$custom: #233d58;
$custom-light: #637287;
$custom-dark: #000000;

JSON

{
  "hex": "#233d58",
  "rgb": {
    "r": 35,
    "g": 61,
    "b": 88
  },
  "hsl": {
    "h": 210.566,
    "s": 43.089,
    "l": 24.118
  },
  "oklch": {
    "l": 0.35235,
    "c": 0.05726,
    "h": 250.6
  },
  "luminance": 0.04399
}

Semantic roles & 50–950 ramp

primary

#233D58

secondary

#8C6C4B

accent

#9555D3

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#05070B

muted

#7A7A7C

Preview Lab

Preview with #233D58

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

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