#263BA5#263BA5

#263BA5 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.9% C 0.172 H 268.6°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#263BA5
RGB	rgb(38, 59, 165)
HSL	hsl(230, 63%, 40%)
HSV	hsv(230, 77%, 65%)
CMYK	cmyk(77%, 64.2%, 0%, 35.3%)
CIE-LAB	lab(30.05, 30.69, -59.30)
CIE-LCH	lch(30.05, 66.78, 297.36°)
OKLab	oklab(40.9% -0.0041 -0.1715)
OKLCH	oklch(40.9% 0.172 268.6)
XYZ	xyz(9.1525, 6.2556, 36.3151)
Luminance	0.0626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263BA5 #A59026

analogous

#267AA5 #263BA5 #5126A5

triadic

#263BA5 #A5263B #3BA526

tetradic

#263BA5 #A5267A #A59026 #26A551

square

#263BA5 #A5267A #A59026 #26A551

split-complementary

#263BA5 #A55126 #7AA526

monochromatic

#0F1742 #1B2973 #263BA5 #3751D1 #697CDC

Accessibility & contrast

On white

9.33

#263BA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#263BA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263BA5

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263BA5	#FFFFFF	#000000	##FFFFFF
##263BA5	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA8

Deuteranopia (green-blind)

#0041A3

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #263ba5;
/* rgb */ color: rgb(38, 59, 165);
/* oklch */ color: oklch(40.9% 0.172 268.6);

Tailwind

colors: {
  custom: {
    50: '#7570c1',
    500: '#263ba5',
    950: '#000000',
  },
}

SCSS

$custom: #263ba5;
$custom-light: #7570c1;
$custom-dark: #000000;

JSON

{
  "hex": "#263ba5",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 165
  },
  "hsl": {
    "h": 230.079,
    "s": 62.562,
    "l": 39.804
  },
  "oklch": {
    "l": 0.40899,
    "c": 0.17156,
    "h": 268.6
  },
  "luminance": 0.06257
}

Semantic roles & 50–950 ramp

primary

#263BA5

secondary

#C3B364

accent

#CB42E6

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #263BA5

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

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