#263D63#263D63

#263D63 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.1% C 0.072 H 260.0°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#263D63
RGB	rgb(38, 61, 99)
HSL	hsl(217, 45%, 27%)
HSV	hsv(217, 62%, 39%)
CMYK	cmyk(61.6%, 38.4%, 0%, 61.2%)
CIE-LAB	lab(25.71, 3.98, -25.16)
CIE-LCH	lch(25.71, 25.47, 278.98°)
OKLab	oklab(36.07% -0.0126 -0.0712)
OKLCH	oklch(36.07% 0.072 260)
XYZ	xyz(4.7194, 4.6500, 12.4508)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D63 #634C26

analogous

#265C63 #263D63 #2E2663

triadic

#263D63 #63263D #3D6326

tetradic

#263D63 #63265C #634C26 #26632E

square

#263D63 #63265C #634C26 #26632E

split-complementary

#263D63 #632E26 #5C6326

monochromatic

#080E16 #152237 #263D63 #37588F #4A74B9

Accessibility & contrast

On white

10.88

#263D63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#263D63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D63

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D63	#FFFFFF	#000000	##FFFFFF
##263D63	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4065

Deuteranopia (green-blind)

#253A62

Tritanopia (blue-blind)

#00454B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #263d63;
/* rgb */ color: rgb(38, 61, 99);
/* oklch */ color: oklch(36.1% 0.072 260.0);

Tailwind

colors: {
  custom: {
    50: '#66728f',
    500: '#263d63',
    950: '#000000',
  },
}

SCSS

$custom: #263d63;
$custom-light: #66728f;
$custom-dark: #000000;

JSON

{
  "hex": "#263d63",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 99
  },
  "hsl": {
    "h": 217.377,
    "s": 44.526,
    "l": 26.863
  },
  "oklch": {
    "l": 0.36073,
    "c": 0.0723,
    "h": 260
  },
  "luminance": 0.0465
}

Semantic roles & 50–950 ramp

primary

#263D63

secondary

#967B4F

accent

#A454D4

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #263D63

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

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