#1A437B#1A437B

#1A437B is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.6% C 0.106 H 257.2°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#1A437B
RGB	rgb(26, 67, 123)
HSL	hsl(215, 65%, 29%)
HSV	hsv(215, 79%, 48%)
CMYK	cmyk(78.9%, 45.5%, 0%, 51.8%)
CIE-LAB	lab(28.55, 7.15, -35.95)
CIE-LCH	lch(28.55, 36.66, 281.25°)
OKLab	oklab(38.6% -0.0235 -0.103)
OKLCH	oklch(38.6% 0.106 257.2)
XYZ	xyz(6.0070, 5.6633, 19.5116)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A437B #7B521A

analogous

#1A747B #1A437B #211A7B

triadic

#1A437B #7B1A43 #437B1A

tetradic

#1A437B #7B1A74 #7B521A #1A7B21

square

#1A437B #7B1A74 #7B521A #1A7B21

split-complementary

#1A437B #7B211A #747B1A

monochromatic

#050E19 #0F2748 #1A437B #255FAE #3A7CD5

Accessibility & contrast

On white

9.85

#1A437B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#1A437B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A437B

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A437B	#FFFFFF	#000000	##FFFFFF
##1A437B	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27487D

Deuteranopia (green-blind)

#143F7A

Tritanopia (blue-blind)

#005059

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1a437b;
/* rgb */ color: rgb(26, 67, 123);
/* oklch */ color: oklch(38.6% 0.106 257.2);

Tailwind

colors: {
  custom: {
    50: '#6676a1',
    500: '#1a437b',
    950: '#000000',
  },
}

SCSS

$custom: #1a437b;
$custom-light: #6676a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a437b",
  "rgb": {
    "r": 26,
    "g": 67,
    "b": 123
  },
  "hsl": {
    "h": 214.639,
    "s": 65.101,
    "l": 29.216
  },
  "oklch": {
    "l": 0.38603,
    "c": 0.1056,
    "h": 257.2
  },
  "luminance": 0.05664
}

Semantic roles & 50–950 ramp

primary

#1A437B

secondary

#AF8142

accent

#A140E8

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1A437B

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

Preview Lab → · Contrast checker → · Palette generator →