#263BA3#263BA3

#263BA3 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.7% C 0.169 H 268.6°. Best body text is #FFFFFF at 9.39:1 contrast (WCAG AA passes).

Color values

HEX	#263BA3
RGB	rgb(38, 59, 163)
HSL	hsl(230, 62%, 39%)
HSV	hsv(230, 77%, 64%)
CMYK	cmyk(76.7%, 63.8%, 0%, 36.1%)
CIE-LAB	lab(29.87, 29.94, -58.39)
CIE-LCH	lch(29.87, 65.62, 297.15°)
OKLab	oklab(40.71% -0.004 -0.1688)
OKLCH	oklch(40.71% 0.169 268.6)
XYZ	xyz(8.9719, 6.1834, 35.3639)
Luminance	0.0618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263BA3 #A38E26

analogous

#267AA3 #263BA3 #5026A3

triadic

#263BA3 #A3263B #3BA326

tetradic

#263BA3 #A3267A #A38E26 #26A350

square

#263BA3 #A3267A #A38E26 #26A350

split-complementary

#263BA3 #A35026 #7AA326

monochromatic

#0F1740 #1A2971 #263BA3 #3650D0 #687BDC

Accessibility & contrast

On white

9.39

#263BA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#263BA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263BA3

9.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263BA3	#FFFFFF	#000000	##FFFFFF
##263BA3	1.00	9.39	2.24	9.39
#FFFFFF	9.39	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA6

Deuteranopia (green-blind)

#0041A1

Tritanopia (blue-blind)

#005669

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #263ba3;
/* rgb */ color: rgb(38, 59, 163);
/* oklch */ color: oklch(40.7% 0.169 268.6);

Tailwind

colors: {
  custom: {
    50: '#7470bf',
    500: '#263ba3',
    950: '#000000',
  },
}

SCSS

$custom: #263ba3;
$custom-light: #7470bf;
$custom-dark: #000000;

JSON

{
  "hex": "#263ba3",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 163
  },
  "hsl": {
    "h": 229.92,
    "s": 62.189,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40713,
    "c": 0.16888,
    "h": 268.6
  },
  "luminance": 0.06184
}

Semantic roles & 50–950 ramp

primary

#263BA3

secondary

#C2B263

accent

#CA43E5

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #263BA3

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

Preview Lab → · Contrast checker → · Palette generator →