#016990
Closest named color: Peacock Blue (#016795). oklch(49% 0.101 233), rgb(1, 105, 144).
Aa
White text reads best on this color (6.13:1).
About this color
#016990 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.101 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.011 away. White text reads best on it, at 6.13:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.42:1 |
| White text | 6.13:1 |
Values
| HEX | #016990 |
| RGB | rgb(1, 105, 144) |
| HSL | hsl(196, 99%, 28%) |
| OKLCH | oklch(49% 0.101 233) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #016990 | 6.13:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #016990 | 3.42:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #016990 text on white | 6.13:1 | AA | Lc 80.0 | Fine for body text |
| #016990 text on black | 3.42:1 | AA large text | Lc -21.8 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C8DDE8
oklch(88.5% 0.027 230.4)
-
Step 300
300
#A2C7DB
oklch(80.9% 0.049 231.7)
-
Step 400
400
#6DA9CA
oklch(70.6% 0.079 233.5)
-
Step 500
500
#4193BC
oklch(63% 0.1 233.3)
-
Step 600
600
#177DA8
oklch(55.6% 0.108 233)
-
Step 700
700 (this color)
#016990
oklch(49% 0.101 233)
-
Step 800
800
#0C5675
oklch(42.7% 0.083 232.9)
-
Step 900
900
#16475E
oklch(37.7% 0.065 232.7)
-
Step 950
950
#0F2A37
oklch(27.1% 0.041 231.9)
#016990 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #556892 | 0.063 |
| Deuteranopia (no green cones) | #445D8F | 0.052 |
| Tritanopia (no blue cones) | #007376 | 0.060 |
| Achromatopsia (no color) | #626262 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #016990
#016990
oklch(49% 0.101 233)
- #8C4E22
#8C4E22
oklch(48.9% 0.101 53)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #016990, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.011
- Ocean Blue #03719C ΔE 0.028
- Sea Blue #047495 ΔE 0.033
- Denim #3B638C ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.045
- Muted Blue #3B719F ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.050
- Dusky Blue #475F94 ΔE 0.053
Use #016990 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.