#233C6E#233C6E

#233C6E is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.4% C 0.092 H 262.7°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#233C6E
RGB	rgb(35, 60, 110)
HSL	hsl(220, 52%, 28%)
HSV	hsv(220, 68%, 43%)
CMYK	cmyk(68.2%, 45.5%, 0%, 56.9%)
CIE-LAB	lab(25.90, 8.24, -31.93)
CIE-LCH	lch(25.90, 32.98, 284.47°)
OKLab	oklab(36.39% -0.0117 -0.0911)
OKLCH	oklch(36.39% 0.092 262.7)
XYZ	xyz(5.1225, 4.7143, 15.3888)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233C6E #6E5523

analogous

#23616E #233C6E #2F236E

triadic

#233C6E #6E233C #3C6E23

tetradic

#233C6E #6E2361 #6E5523 #236E2F

square

#233C6E #6E2361 #6E5523 #236E2F

split-complementary

#233C6E #6E2F23 #616E23

monochromatic

#070D17 #142340 #233C6E #32559C #4771C4

Accessibility & contrast

On white

10.81

#233C6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#233C6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233C6E

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233C6E	#FFFFFF	#000000	##FFFFFF
##233C6E	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254170

Deuteranopia (green-blind)

#193A6D

Tritanopia (blue-blind)

#00474F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #233c6e;
/* rgb */ color: rgb(35, 60, 110);
/* oklch */ color: oklch(36.4% 0.092 262.7);

Tailwind

colors: {
  custom: {
    50: '#677198',
    500: '#233c6e',
    950: '#000000',
  },
}

SCSS

$custom: #233c6e;
$custom-light: #677198;
$custom-dark: #000000;

JSON

{
  "hex": "#233c6e",
  "rgb": {
    "r": 35,
    "g": 60,
    "b": 110
  },
  "hsl": {
    "h": 220,
    "s": 51.724,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36395,
    "c": 0.09186,
    "h": 262.7
  },
  "luminance": 0.04715
}

Semantic roles & 50–950 ramp

primary

#233C6E

secondary

#A1854C

accent

#AC4DDB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #233C6E

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

Preview Lab → · Contrast checker → · Palette generator →