#2F388C#2F388C

#2F388C is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.6% C 0.138 H 273.4°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#2F388C
RGB	rgb(47, 56, 140)
HSL	hsl(234, 50%, 37%)
HSV	hsv(234, 66%, 55%)
CMYK	cmyk(66.4%, 60%, 0%, 45.1%)
CIE-LAB	lab(27.64, 24.60, -47.95)
CIE-LCH	lch(27.64, 53.89, 297.16°)
OKLab	oklab(38.59% 0.0082 -0.138)
OKLCH	oklch(38.59% 0.138 273.4)
XYZ	xyz(7.3185, 5.3255, 25.4481)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F388C #8C832F

analogous

#2F678C #2F388C #552F8C

triadic

#2F388C #8C2F38 #388C2F

tetradic

#2F388C #8C2F67 #8C832F #2F8C55

square

#2F388C #8C2F67 #8C832F #2F8C55

split-complementary

#2F388C #8C552F #678C2F

monochromatic

#101330 #20265E #2F388C #3E4ABA #6972CD

Accessibility & contrast

On white

10.17

#2F388C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#2F388C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F388C

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F388C	#FFFFFF	#000000	##FFFFFF
##2F388C	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458F

Deuteranopia (green-blind)

#003D8A

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2f388c;
/* rgb */ color: rgb(47, 56, 140);
/* oklch */ color: oklch(38.6% 0.138 273.4);

Tailwind

colors: {
  custom: {
    50: '#736eae',
    500: '#2f388c',
    950: '#000000',
  },
}

SCSS

$custom: #2f388c;
$custom-light: #736eae;
$custom-dark: #000000;

JSON

{
  "hex": "#2f388c",
  "rgb": {
    "r": 47,
    "g": 56,
    "b": 140
  },
  "hsl": {
    "h": 234.194,
    "s": 49.733,
    "l": 36.667
  },
  "oklch": {
    "l": 0.38593,
    "c": 0.13824,
    "h": 273.4
  },
  "luminance": 0.05326
}

Semantic roles & 50–950 ramp

primary

#2F388C

secondary

#B4AC63

accent

#CC4FD9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2F388C

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

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