#233B60#233B60

#233B60 is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.2% C 0.072 H 258.8°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#233B60
RGB	rgb(35, 59, 96)
HSL	hsl(216, 47%, 26%)
HSV	hsv(216, 64%, 38%)
CMYK	cmyk(63.5%, 38.5%, 0%, 62.4%)
CIE-LAB	lab(24.73, 3.52, -24.77)
CIE-LCH	lch(24.73, 25.02, 278.09°)
OKLab	oklab(35.21% -0.0139 -0.0702)
OKLCH	oklch(35.21% 0.072 258.8)
XYZ	xyz(4.3677, 4.3294, 11.6696)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233B60 #604823

analogous

#235960 #233B60 #292360

triadic

#233B60 #60233B #3B6023

tetradic

#233B60 #602359 #604823 #236029

square

#233B60 #602359 #604823 #236029

split-complementary

#233B60 #602923 #596023

monochromatic

#080E16 #131F33 #233B60 #33578D #4472BA

Accessibility & contrast

On white

11.25

#233B60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#233B60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233B60

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233B60	#FFFFFF	#000000	##FFFFFF
##233B60	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3E62

Deuteranopia (green-blind)

#23385F

Tritanopia (blue-blind)

#004349

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #233b60;
/* rgb */ color: rgb(35, 59, 96);
/* oklch */ color: oklch(35.2% 0.072 258.8);

Tailwind

colors: {
  custom: {
    50: '#64708d',
    500: '#233b60',
    950: '#000000',
  },
}

SCSS

$custom: #233b60;
$custom-light: #64708d;
$custom-dark: #000000;

JSON

{
  "hex": "#233b60",
  "rgb": {
    "r": 35,
    "g": 59,
    "b": 96
  },
  "hsl": {
    "h": 216.393,
    "s": 46.565,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35208,
    "c": 0.07153,
    "h": 258.8
  },
  "luminance": 0.0433
}

Semantic roles & 50–950 ramp

primary

#233B60

secondary

#94774B

accent

#A252D6

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #233B60

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

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