#233F66#233F66

#233F66 is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.6% C 0.076 H 257.0°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#233F66
RGB	rgb(35, 63, 102)
HSL	hsl(215, 49%, 27%)
HSV	hsv(215, 66%, 40%)
CMYK	cmyk(65.7%, 38.2%, 0%, 60%)
CIE-LAB	lab(26.36, 3.08, -26.07)
CIE-LCH	lch(26.36, 26.25, 276.74°)
OKLab	oklab(36.59% -0.0171 -0.0739)
OKLCH	oklch(36.59% 0.076 257)
XYZ	xyz(4.8681, 4.8712, 13.2515)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233F66 #664A23

analogous

#236166 #233F66 #292366

triadic

#233F66 #66233F #3F6623

tetradic

#233F66 #662361 #664A23 #236629

square

#233F66 #662361 #664A23 #236629

split-complementary

#233F66 #662923 #616623

monochromatic

#080E17 #132338 #233F66 #335B94 #4478BF

Accessibility & contrast

On white

10.64

#233F66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#233F66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233F66

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233F66	#FFFFFF	#000000	##FFFFFF
##233F66	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4268

Deuteranopia (green-blind)

#253B65

Tritanopia (blue-blind)

#00484D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #233f66;
/* rgb */ color: rgb(35, 63, 102);
/* oklch */ color: oklch(36.6% 0.076 257.0);

Tailwind

colors: {
  custom: {
    50: '#657392',
    500: '#233f66',
    950: '#000000',
  },
}

SCSS

$custom: #233f66;
$custom-light: #657392;
$custom-dark: #000000;

JSON

{
  "hex": "#233f66",
  "rgb": {
    "r": 35,
    "g": 63,
    "b": 102
  },
  "hsl": {
    "h": 214.925,
    "s": 48.905,
    "l": 26.863
  },
  "oklch": {
    "l": 0.36593,
    "c": 0.07586,
    "h": 257
  },
  "luminance": 0.04872
}

Semantic roles & 50–950 ramp

primary

#233F66

secondary

#9A794B

accent

#9F4FD8

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06080D

muted

#7A7B7D

Preview Lab

Preview with #233F66

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

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