#166996
Closest named color: Peacock Blue (#016795). oklch(49.6% 0.103 238.9), rgb(22, 105, 150).
Aa
White text reads best on this color (6.00:1).
About this color
#166996 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.103 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.010 away. White text reads best on it, at 6.00:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.49:1 |
| White text | 6.00:1 |
Values
| HEX | #166996 |
| RGB | rgb(22, 105, 150) |
| HSL | hsl(201, 74%, 34%) |
| OKLCH | oklch(49.6% 0.103 238.9) |
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 #166996 | 6.00:1 | AA | Lc -84.8 | Fine for body text |
| Black text on #166996 | 3.49:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #166996 text on white | 6.00:1 | AA | Lc 79.6 | Fine for body text |
| #166996 text on black | 3.49:1 | AA large text | Lc -22.2 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#C9DCEA
oklch(88.5% 0.028 239.7)
-
Step 300
300
#A4C6DE
oklch(81% 0.05 239)
-
Step 400
400
#71A8CD
oklch(70.7% 0.079 238.8)
-
Step 500
500
#4792C0
oklch(63.2% 0.102 238.2)
-
Step 600
600
#237BAD
oklch(55.6% 0.111 239.1)
-
Step 700
700 (this color)
#166996
oklch(49.6% 0.103 238.9)
-
Step 800
800
#155578
oklch(42.8% 0.085 238.1)
-
Step 900
900
#1A4661
oklch(37.7% 0.067 239.1)
-
Step 950
950
#112939
oklch(27% 0.042 240.1)
#166996 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) | #536998 | 0.054 |
| Deuteranopia (no green cones) | #425E95 | 0.043 |
| Tritanopia (no blue cones) | #007479 | 0.066 |
| Achromatopsia (no color) | #636363 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #166996
#166996
oklch(49.6% 0.103 238.9)
- #8C521B
#8C521B
oklch(49.6% 0.102 59.5)
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 #166996, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.010
- Ocean Blue #03719C ΔE 0.023
- Denim #3B638C ΔE 0.030
- Sea Blue #047495 ΔE 0.034
- Muted Blue #3B719F ΔE 0.040
- Denim Blue #3B5B92 ΔE 0.045
- Light Navy Blue #2E5A88 ΔE 0.045
- Dusky Blue #475F94 ΔE 0.045
Use #166996 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.