#2F438B#2F438B

#2F438B is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.8% C 0.122 H 268.8°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#2F438B
RGB	rgb(47, 67, 139)
HSL	hsl(227, 49%, 36%)
HSV	hsv(227, 66%, 55%)
CMYK	cmyk(66.2%, 51.8%, 0%, 45.5%)
CIE-LAB	lab(30.60, 16.78, -42.55)
CIE-LCH	lch(30.60, 45.74, 291.53°)
OKLab	oklab(40.79% -0.0026 -0.122)
OKLCH	oklch(40.79% 0.122 268.8)
XYZ	xyz(7.8381, 6.4820, 25.2592)
Luminance	0.0648 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F438B #8B772F

analogous

#2F718B #2F438B #492F8B

triadic

#2F438B #8B2F43 #438B2F

tetradic

#2F438B #8B2F71 #8B772F #2F8B49

square

#2F438B #8B2F71 #8B772F #2F8B49

split-complementary

#2F438B #8B492F #718B2F

monochromatic

#101730 #202D5D #2F438B #3E59B9 #687ECC

Accessibility & contrast

On white

9.14

#2F438B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#2F438B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F438B

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F438B	#FFFFFF	#000000	##FFFFFF
##2F438B	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4C8E

Deuteranopia (green-blind)

#00448A

Tritanopia (blue-blind)

#005460

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #2f438b;
/* rgb */ color: rgb(47, 67, 139);
/* oklch */ color: oklch(40.8% 0.122 268.8);

Tailwind

colors: {
  custom: {
    50: '#7276ad',
    500: '#2f438b',
    950: '#000000',
  },
}

SCSS

$custom: #2f438b;
$custom-light: #7276ad;
$custom-dark: #000000;

JSON

{
  "hex": "#2f438b",
  "rgb": {
    "r": 47,
    "g": 67,
    "b": 139
  },
  "hsl": {
    "h": 226.957,
    "s": 49.462,
    "l": 36.471
  },
  "oklch": {
    "l": 0.40788,
    "c": 0.12201,
    "h": 268.8
  },
  "luminance": 0.06483
}

Semantic roles & 50–950 ramp

primary

#2F438B

secondary

#B3A263

accent

#BB4FD9

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #2F438B

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

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