#231A6B#231A6B

#231A6B is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.2% C 0.133 H 279.2°. Best body text is #FFFFFF at 14.67:1 contrast (WCAG AA passes).

Color values

HEX	#231A6B
RGB	rgb(35, 26, 107)
HSL	hsl(247, 61%, 26%)
HSV	hsv(247, 76%, 42%)
CMYK	cmyk(67.3%, 75.7%, 0%, 58%)
CIE-LAB	lab(16.29, 30.50, -45.57)
CIE-LCH	lch(16.29, 54.84, 303.79°)
OKLab	oklab(29.15% 0.0213 -0.1315)
OKLCH	oklch(29.15% 0.133 279.2)
XYZ	xyz(3.7155, 2.1574, 14.1277)
Luminance	0.0216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#231A6B #626B1A

analogous

#1A396B #231A6B #4B1A6B

triadic

#231A6B #6B231A #1A6B23

tetradic

#231A6B #6B1A39 #626B1A #1A6B4B

square

#231A6B #6B1A39 #626B1A #1A6B4B

split-complementary

#231A6B #6B4B1A #396B1A

monochromatic

#080619 #130E3A #231A6B #33269C #4332CD

Accessibility & contrast

On white

14.67

#231A6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#231A6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #231A6B

14.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##231A6B	#FFFFFF	#000000	##FFFFFF
##231A6B	1.00	14.67	1.43	14.67
#FFFFFF	14.67	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B6D

Deuteranopia (green-blind)

#00256A

Tritanopia (blue-blind)

#003040

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #231a6b;
/* rgb */ color: rgb(35, 26, 107);
/* oklch */ color: oklch(29.2% 0.133 279.2);

Tailwind

colors: {
  custom: {
    50: '#695896',
    500: '#231a6b',
    950: '#000000',
  },
}

SCSS

$custom: #231a6b;
$custom-light: #695896;
$custom-dark: #000000;

JSON

{
  "hex": "#231a6b",
  "rgb": {
    "r": 35,
    "g": 26,
    "b": 107
  },
  "hsl": {
    "h": 246.667,
    "s": 60.902,
    "l": 26.078
  },
  "oklch": {
    "l": 0.29154,
    "c": 0.13323,
    "h": 279.2
  },
  "luminance": 0.02158
}

Semantic roles & 50–950 ramp

primary

#231A6B

secondary

#96A040

accent

#E444D2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #231A6B

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

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