#263D5F#263D5F

#263D5F is a dark, moderate blue. Relative luminance 0.046; OKLCH L 35.8% C 0.066 H 258.0°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#263D5F
RGB	rgb(38, 61, 95)
HSL	hsl(216, 43%, 26%)
HSV	hsv(216, 60%, 37%)
CMYK	cmyk(60%, 35.8%, 0%, 62.7%)
CIE-LAB	lab(25.49, 2.49, -22.92)
CIE-LCH	lch(25.49, 23.05, 276.20°)
OKLab	oklab(35.83% -0.0137 -0.0647)
OKLCH	oklch(35.83% 0.066 258)
XYZ	xyz(4.5329, 4.5754, 11.4685)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#263D5F #5F4826

analogous

#26595F #263D5F #2B265F

triadic

#263D5F #5F263D #3D5F26

tetradic

#263D5F #5F2659 #5F4826 #265F2B

square

#263D5F #5F2659 #5F4826 #265F2B

split-complementary

#263D5F #5F2B26 #595F26

monochromatic

#090E16 #152133 #263D5F #37598B #4975B6

Accessibility & contrast

On white

10.96

#263D5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#263D5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D5F

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##263D5F	#FFFFFF	#000000	##FFFFFF
##263D5F	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3F60

Deuteranopia (green-blind)

#283A5E

Tritanopia (blue-blind)

#014549

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #263d5f;
/* rgb */ color: rgb(38, 61, 95);
/* oklch */ color: oklch(35.8% 0.066 258.0);

Tailwind

colors: {
  custom: {
    50: '#65728c',
    500: '#263d5f',
    950: '#000000',
  },
}

SCSS

$custom: #263d5f;
$custom-light: #65728c;
$custom-dark: #000000;

JSON

{
  "hex": "#263d5f",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 95
  },
  "hsl": {
    "h": 215.789,
    "s": 42.857,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35825,
    "c": 0.06612,
    "h": 258
  },
  "luminance": 0.04576
}

Semantic roles & 50–950 ramp

primary

#263D5F

secondary

#92774F

accent

#A055D3

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06070C

muted

#7A7A7D

Preview Lab

Preview with #263D5F

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

Preview Lab → · Contrast checker → · Palette generator →