#233D70#233D70

#233D70 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.8% C 0.094 H 262.4°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#233D70
RGB	rgb(35, 61, 112)
HSL	hsl(220, 52%, 29%)
HSV	hsv(220, 69%, 44%)
CMYK	cmyk(68.8%, 45.5%, 0%, 56.1%)
CIE-LAB	lab(26.34, 8.33, -32.50)
CIE-LCH	lch(26.34, 33.55, 284.37°)
OKLab	oklab(36.78% -0.0124 -0.0928)
OKLCH	oklch(36.78% 0.094 262.4)
XYZ	xyz(5.2855, 4.8642, 15.9864)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233D70 #705623

analogous

#236470 #233D70 #302370

triadic

#233D70 #70233D #3D7023

tetradic

#233D70 #702364 #705623 #237030

square

#233D70 #702364 #705623 #237030

split-complementary

#233D70 #703023 #647023

monochromatic

#070D17 #142441 #233D70 #32569F #4872C6

Accessibility & contrast

On white

10.64

#233D70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#233D70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233D70

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233D70	#FFFFFF	#000000	##FFFFFF
##233D70	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)

#254272

Deuteranopia (green-blind)

#183B6F

Tritanopia (blue-blind)

#004951

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #233d70;
/* rgb */ color: rgb(35, 61, 112);
/* oklch */ color: oklch(36.8% 0.094 262.4);

Tailwind

colors: {
  custom: {
    50: '#677299',
    500: '#233d70',
    950: '#000000',
  },
}

SCSS

$custom: #233d70;
$custom-light: #677299;
$custom-dark: #000000;

JSON

{
  "hex": "#233d70",
  "rgb": {
    "r": 35,
    "g": 61,
    "b": 112
  },
  "hsl": {
    "h": 219.74,
    "s": 52.381,
    "l": 28.824
  },
  "oklch": {
    "l": 0.36775,
    "c": 0.0936,
    "h": 262.4
  },
  "luminance": 0.04865
}

Semantic roles & 50–950 ramp

primary

#233D70

secondary

#A3864C

accent

#AB4CDC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #233D70

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

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