#2F538D#2F538D

#2F538D is a dark, moderate blue. Relative luminance 0.087; OKLCH L 44.5% C 0.104 H 259.5°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#2F538D
RGB	rgb(47, 83, 141)
HSL	hsl(217, 50%, 37%)
HSV	hsv(217, 67%, 55%)
CMYK	cmyk(66.7%, 41.1%, 0%, 44.7%)
CIE-LAB	lab(35.43, 6.84, -36.04)
CIE-LCH	lch(35.43, 36.69, 280.74°)
OKLab	oklab(44.53% -0.019 -0.1026)
OKLCH	oklch(44.53% 0.104 259.5)
XYZ	xyz(9.0716, 8.7131, 26.3979)
Luminance	0.0871 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F538D #8D692F

analogous

#2F828D #2F538D #3A2F8D

triadic

#2F538D #8D2F53 #538D2F

tetradic

#2F538D #8D2F82 #8D692F #2F8D3A

square

#2F538D #8D2F82 #8D692F #2F8D3A

split-complementary

#2F538D #8D3A2F #828D2F

monochromatic

#101D31 #20385F #2F538D #3E6EBB #6990CD

Accessibility & contrast

On white

7.66

#2F538D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#2F538D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F538D

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F538D	#FFFFFF	#000000	##FFFFFF
##2F538D	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39588F

Deuteranopia (green-blind)

#2B4F8C

Tritanopia (blue-blind)

#006069

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2f538d;
/* rgb */ color: rgb(47, 83, 141);
/* oklch */ color: oklch(44.5% 0.104 259.5);

Tailwind

colors: {
  custom: {
    50: '#7283af',
    500: '#2f538d',
    950: '#000000',
  },
}

SCSS

$custom: #2f538d;
$custom-light: #7283af;
$custom-dark: #000000;

JSON

{
  "hex": "#2f538d",
  "rgb": {
    "r": 47,
    "g": 83,
    "b": 141
  },
  "hsl": {
    "h": 217.021,
    "s": 50,
    "l": 36.863
  },
  "oklch": {
    "l": 0.44533,
    "c": 0.10436,
    "h": 259.5
  },
  "luminance": 0.08714
}

Semantic roles & 50–950 ramp

primary

#2F538D

secondary

#B49564

accent

#A44EDA

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2F538D

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

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