#233A7C#233A7C

#233A7C is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.0% C 0.116 H 266.3°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#233A7C
RGB	rgb(35, 58, 124)
HSL	hsl(224, 56%, 31%)
HSV	hsv(224, 72%, 49%)
CMYK	cmyk(71.8%, 53.2%, 0%, 51.4%)
CIE-LAB	lab(26.27, 15.14, -40.22)
CIE-LCH	lch(26.27, 42.98, 290.63°)
OKLab	oklab(36.98% -0.0074 -0.1155)
OKLCH	oklch(36.98% 0.116 266.3)
XYZ	xyz(5.8430, 4.8381, 19.6908)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233A7C #7C6523

analogous

#23667C #233A7C #38237C

triadic

#233A7C #7C233A #3A7C23

tetradic

#233A7C #7C2366 #7C6523 #237C38

square

#233A7C #7C2366 #7C6523 #237C38

split-complementary

#233A7C #7C3823 #667C23

monochromatic

#080D1D #16244C #233A7C #3050AC #4D6ECD

Accessibility & contrast

On white

10.67

#233A7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#233A7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A7C

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233A7C	#FFFFFF	#000000	##FFFFFF
##233A7C	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11427E

Deuteranopia (green-blind)

#003A7B

Tritanopia (blue-blind)

#004A55

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #233a7c;
/* rgb */ color: rgb(35, 58, 124);
/* oklch */ color: oklch(37.0% 0.116 266.3);

Tailwind

colors: {
  custom: {
    50: '#6a6fa2',
    500: '#233a7c',
    950: '#000000',
  },
}

SCSS

$custom: #233a7c;
$custom-light: #6a6fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#233a7c",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 124
  },
  "hsl": {
    "h": 224.494,
    "s": 55.975,
    "l": 31.176
  },
  "oklch": {
    "l": 0.36984,
    "c": 0.11578,
    "h": 266.3
  },
  "luminance": 0.04839
}

Semantic roles & 50–950 ramp

primary

#233A7C

secondary

#AF954C

accent

#B849DF

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #233A7C

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

Preview Lab → · Contrast checker → · Palette generator →