#2F538C#2F538C

#2F538C is a dark, moderate blue. Relative luminance 0.087; OKLCH L 44.5% C 0.103 H 259.2°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#2F538C
RGB	rgb(47, 83, 140)
HSL	hsl(217, 50%, 37%)
HSV	hsv(217, 66%, 55%)
CMYK	cmyk(66.4%, 40.7%, 0%, 45.1%)
CIE-LAB	lab(35.37, 6.46, -35.53)
CIE-LCH	lch(35.37, 36.11, 280.31°)
OKLab	oklab(44.47% -0.0192 -0.1011)
OKLCH	oklch(44.47% 0.103 259.2)
XYZ	xyz(8.9975, 8.6834, 26.0078)
Luminance	0.0868 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F538C #8C682F

analogous

#2F828C #2F538C #392F8C

triadic

#2F538C #8C2F53 #538C2F

tetradic

#2F538C #8C2F82 #8C682F #2F8C39

square

#2F538C #8C2F82 #8C682F #2F8C39

split-complementary

#2F538C #8C392F #828C2F

monochromatic

#101D30 #20385E #2F538C #3E6EBA #698FCD

Accessibility & contrast

On white

7.67

#2F538C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#2F538C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F538C

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F538C	#FFFFFF	#000000	##FFFFFF
##2F538C	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A588E

Deuteranopia (green-blind)

#2C4F8B

Tritanopia (blue-blind)

#006068

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2f538c;
/* rgb */ color: rgb(47, 83, 140);
/* oklch */ color: oklch(44.5% 0.103 259.2);

Tailwind

colors: {
  custom: {
    50: '#7283ae',
    500: '#2f538c',
    950: '#000000',
  },
}

SCSS

$custom: #2f538c;
$custom-light: #7283ae;
$custom-dark: #000000;

JSON

{
  "hex": "#2f538c",
  "rgb": {
    "r": 47,
    "g": 83,
    "b": 140
  },
  "hsl": {
    "h": 216.774,
    "s": 49.733,
    "l": 36.667
  },
  "oklch": {
    "l": 0.44469,
    "c": 0.10292,
    "h": 259.2
  },
  "luminance": 0.08684
}

Semantic roles & 50–950 ramp

primary

#2F538C

secondary

#B49463

accent

#A44FD9

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #2F538C

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

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