#121F50#121F50

#121F50 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.2% C 0.092 H 268.2°. Best body text is #FFFFFF at 15.70:1 contrast (WCAG AA passes).

Color values

HEX	#121F50
RGB	rgb(18, 31, 80)
HSL	hsl(227, 63%, 19%)
HSV	hsv(227, 78%, 31%)
CMYK	cmyk(77.5%, 61.2%, 0%, 68.6%)
CIE-LAB	lab(13.75, 13.96, -31.76)
CIE-LCH	lch(13.75, 34.69, 293.73°)
OKLab	oklab(26.17% -0.0029 -0.0915)
OKLCH	oklch(26.17% 0.092 268.2)
XYZ	xyz(2.1869, 1.6875, 7.7983)
Luminance	0.0169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F50 #504312

analogous

#123E50 #121F50 #241250

triadic

#121F50 #50121F #1F5012

tetradic

#121F50 #50123E #504312 #125024

square

#121F50 #50123E #504312 #125024

split-complementary

#121F50 #502412 #3E5012

monochromatic

#060A19 #070C1E #121F50 #1D3282 #2846B4

Accessibility & contrast

On white

15.70

#121F50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#121F50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F50

15.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F50	#FFFFFF	#000000	##FFFFFF
##121F50	1.00	15.70	1.34	15.70
#FFFFFF	15.70	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002652

Deuteranopia (green-blind)

#00204F

Tritanopia (blue-blind)

#002B34

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #121f50;
/* rgb */ color: rgb(18, 31, 80);
/* oklch */ color: oklch(26.2% 0.092 268.2);

Tailwind

colors: {
  custom: {
    50: '#5a5a81',
    500: '#121f50',
    950: '#000000',
  },
}

SCSS

$custom: #121f50;
$custom-light: #5a5a81;
$custom-dark: #000000;

JSON

{
  "hex": "#121f50",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 80
  },
  "hsl": {
    "h": 227.419,
    "s": 63.265,
    "l": 19.216
  },
  "oklch": {
    "l": 0.26174,
    "c": 0.09153,
    "h": 268.2
  },
  "luminance": 0.01688
}

Semantic roles & 50–950 ramp

primary

#121F50

secondary

#897735

accent

#C441E6

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #121F50

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

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