#2F398D#2F398D

#2F398D is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.9% C 0.138 H 273.0°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#2F398D
RGB	rgb(47, 57, 141)
HSL	hsl(234, 50%, 37%)
HSV	hsv(234, 67%, 55%)
CMYK	cmyk(66.7%, 59.6%, 0%, 44.7%)
CIE-LAB	lab(27.99, 24.30, -48.01)
CIE-LCH	lch(27.99, 53.80, 296.84°)
OKLab	oklab(38.88% 0.0073 -0.1382)
OKLCH	oklch(38.88% 0.138 273)
XYZ	xyz(7.4415, 5.4530, 25.8545)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F398D #8D832F

analogous

#2F688D #2F398D #542F8D

triadic

#2F398D #8D2F39 #398D2F

tetradic

#2F398D #8D2F68 #8D832F #2F8D54

square

#2F398D #8D2F68 #8D832F #2F8D54

split-complementary

#2F398D #8D542F #688D2F

monochromatic

#101431 #20265F #2F398D #3E4CBB #6974CD

Accessibility & contrast

On white

10.04

#2F398D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#2F398D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F398D

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F398D	#FFFFFF	#000000	##FFFFFF
##2F398D	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004690

Deuteranopia (green-blind)

#003E8B

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2f398d;
/* rgb */ color: rgb(47, 57, 141);
/* oklch */ color: oklch(38.9% 0.138 273.0);

Tailwind

colors: {
  custom: {
    50: '#736faf',
    500: '#2f398d',
    950: '#000000',
  },
}

SCSS

$custom: #2f398d;
$custom-light: #736faf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f398d",
  "rgb": {
    "r": 47,
    "g": 57,
    "b": 141
  },
  "hsl": {
    "h": 233.617,
    "s": 50,
    "l": 36.863
  },
  "oklch": {
    "l": 0.38875,
    "c": 0.13835,
    "h": 273
  },
  "luminance": 0.05454
}

Semantic roles & 50–950 ramp

primary

#2F398D

secondary

#B4AC64

accent

#CB4EDA

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2F398D

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

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