#233A70#233A70

#233A70 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.1% C 0.098 H 264.6°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).

Color values

HEX	#233A70
RGB	rgb(35, 58, 112)
HSL	hsl(222, 52%, 29%)
HSV	hsv(222, 69%, 44%)
CMYK	cmyk(68.8%, 48.2%, 0%, 56.1%)
CIE-LAB	lab(25.42, 10.42, -33.98)
CIE-LCH	lch(25.42, 35.54, 287.04°)
OKLab	oklab(36.07% -0.0091 -0.0972)
OKLCH	oklch(36.07% 0.098 264.6)
XYZ	xyz(5.1298, 4.5528, 15.9345)
Luminance	0.0455 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233A70 #705923

analogous

#236170 #233A70 #332370

triadic

#233A70 #70233A #3A7023

tetradic

#233A70 #702361 #705923 #237033

square

#233A70 #702361 #705923 #237033

split-complementary

#233A70 #703323 #617023

monochromatic

#070C17 #142241 #233A70 #32529F #486DC6

Accessibility & contrast

On white

10.99

#233A70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#233A70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A70

10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233A70	#FFFFFF	#000000	##FFFFFF
##233A70	1.00	10.99	1.91	10.99
#FFFFFF	10.99	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F4072

Deuteranopia (green-blind)

#11396F

Tritanopia (blue-blind)

#00464F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #233a70;
/* rgb */ color: rgb(35, 58, 112);
/* oklch */ color: oklch(36.1% 0.098 264.6);

Tailwind

colors: {
  custom: {
    50: '#676f99',
    500: '#233a70',
    950: '#000000',
  },
}

SCSS

$custom: #233a70;
$custom-light: #676f99;
$custom-dark: #000000;

JSON

{
  "hex": "#233a70",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 112
  },
  "hsl": {
    "h": 222.078,
    "s": 52.381,
    "l": 28.824
  },
  "oklch": {
    "l": 0.36066,
    "c": 0.0976,
    "h": 264.6
  },
  "luminance": 0.04553
}

Semantic roles & 50–950 ramp

primary

#233A70

secondary

#A3894C

accent

#B14CDC

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #233A70

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

Preview Lab → · Contrast checker → · Palette generator →