#233E70#233E70

#233E70 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.0% C 0.092 H 261.6°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#233E70
RGB	rgb(35, 62, 112)
HSL	hsl(219, 52%, 29%)
HSV	hsv(219, 69%, 44%)
CMYK	cmyk(68.8%, 44.6%, 0%, 56.1%)
CIE-LAB	lab(26.65, 7.64, -32.01)
CIE-LCH	lch(26.65, 32.91, 283.42°)
OKLab	oklab(37.02% -0.0135 -0.0913)
OKLCH	oklch(37.02% 0.092 261.6)
XYZ	xyz(5.3394, 4.9719, 16.0044)
Luminance	0.0497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233E70 #705523

analogous

#236570 #233E70 #2F2370

triadic

#233E70 #70233E #3E7023

tetradic

#233E70 #702365 #705523 #23702F

square

#233E70 #702365 #705523 #23702F

split-complementary

#233E70 #702F23 #657023

monochromatic

#070D17 #142441 #233E70 #32589F #4874C6

Accessibility & contrast

On white

10.53

#233E70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#233E70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233E70

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233E70	#FFFFFF	#000000	##FFFFFF
##233E70	1.00	10.53	1.99	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274372

Deuteranopia (green-blind)

#1B3C6F

Tritanopia (blue-blind)

#004951

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #233e70;
/* rgb */ color: rgb(35, 62, 112);
/* oklch */ color: oklch(37.0% 0.092 261.6);

Tailwind

colors: {
  custom: {
    50: '#677299',
    500: '#233e70',
    950: '#000000',
  },
}

SCSS

$custom: #233e70;
$custom-light: #677299;
$custom-dark: #000000;

JSON

{
  "hex": "#233e70",
  "rgb": {
    "r": 35,
    "g": 62,
    "b": 112
  },
  "hsl": {
    "h": 218.961,
    "s": 52.381,
    "l": 28.824
  },
  "oklch": {
    "l": 0.37015,
    "c": 0.0923,
    "h": 261.6
  },
  "luminance": 0.04972
}

Semantic roles & 50–950 ramp

primary

#233E70

secondary

#A3844C

accent

#A94CDC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #233E70

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

Preview Lab → · Contrast checker → · Palette generator →