#106F99
Closest named color: Ocean Blue (#03719C). oklch(51.2% 0.104 234.8), rgb(16, 111, 153).
Aa
White text reads best on this color (5.59:1).
About this color
#106F99 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.104 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Blue (#03719C), ΔE 0.007 away. White text reads best on it, at 5.59:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.75:1 |
| White text | 5.59:1 |
Values
| HEX | #106F99 |
| RGB | rgb(16, 111, 153) |
| HSL | hsl(198, 81%, 33%) |
| OKLCH | oklch(51.2% 0.104 234.8) |
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 #106F99 | 5.59:1 | AA | Lc -82.8 | Fine for body text |
| Black text on #106F99 | 3.75:1 | AA large text | Lc 26.6 | Dividers and decoration only |
| #106F99 text on white | 5.59:1 | AA | Lc 77.5 | Fine for body text |
| #106F99 text on black | 3.75:1 | AA large text | Lc -24.3 | 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
#C8DDE9
oklch(88.6% 0.028 232.7)
-
Step 300
300
#A2C7DD
oklch(81% 0.05 234.3)
-
Step 400
400
#6DA9CC
oklch(70.7% 0.081 235.1)
-
Step 500
500
#4193BE
oklch(63.1% 0.102 234.6)
-
Step 600
600
#167DAB
oklch(55.7% 0.111 234.7)
-
Step 700
700 (this color)
#106F99
oklch(51.2% 0.104 234.8)
-
Step 800
800
#0B5677
oklch(42.8% 0.086 234.5)
-
Step 900
900
#164760
oklch(37.8% 0.067 234.9)
-
Step 950
950
#0F2A38
oklch(27.1% 0.042 233.9)
#106F99 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) | #5A6E9B | 0.062 |
| Deuteranopia (no green cones) | #496398 | 0.051 |
| Tritanopia (no blue cones) | #007A7D | 0.064 |
| Achromatopsia (no color) | #686868 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #106F99
#106F99
oklch(51.2% 0.104 234.8)
- #935425
#935425
oklch(51.1% 0.103 54.4)
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 #106F99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.007
- Sea Blue #047495 ΔE 0.018
- Peacock Blue #016795 ΔE 0.025
- Muted Blue #3B719F ΔE 0.030
- Flat Blue #3C73A8 ΔE 0.040
- Denim #3B638C ΔE 0.041
- Ocean #017B92 ΔE 0.041
- Nice Blue #107AB0 ΔE 0.044
Use #106F99 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.