#106BA3
Closest named color: Ocean Blue (#03719C). oklch(50.8% 0.118 243.4), rgb(16, 107, 163).
Aa
White text reads best on this color (5.74:1).
About this color
#106BA3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.118 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Blue (#03719C), ΔE 0.023 away. White text reads best on it, at 5.74:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.65:1 |
| White text | 5.74:1 |
Values
| HEX | #106BA3 |
| RGB | rgb(16, 107, 163) |
| HSL | hsl(203, 82%, 35%) |
| OKLCH | oklch(50.8% 0.118 243.4) |
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 #106BA3 | 5.74:1 | AA | Lc -83.5 | Fine for body text |
| Black text on #106BA3 | 3.65:1 | AA large text | Lc 25.8 | Dividers and decoration only |
| #106BA3 text on white | 5.74:1 | AA | Lc 78.3 | Fine for body text |
| #106BA3 text on black | 3.65:1 | AA large text | Lc -23.5 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C8DCED
oklch(88.5% 0.032 243.7)
-
Step 300
300
#A2C6E3
oklch(81% 0.056 242.7)
-
Step 400
400
#6DA7D5
oklch(70.6% 0.091 243.5)
-
Step 500
500
#4190CA
oklch(63% 0.117 243.5)
-
Step 600
600
#187AB7
oklch(55.7% 0.126 243)
-
Step 700
700 (this color)
#106BA3
oklch(50.8% 0.118 243.4)
-
Step 800
800
#0D5380
oklch(42.6% 0.098 243.9)
-
Step 900
900
#164567
oklch(37.6% 0.077 244.1)
-
Step 950
950
#0F293C
oklch(27.1% 0.048 243)
#106BA3 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) | #506DA5 | 0.052 |
| Deuteranopia (no green cones) | #3C60A2 | 0.039 |
| Tritanopia (no blue cones) | #00797F | 0.081 |
| Achromatopsia (no color) | #666666 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #106BA3
#106BA3
oklch(50.8% 0.118 243.4)
- #925400
#925400
oklch(50.7% 0.115 63.4)
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 #106BA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.023
- Peacock Blue #016795 ΔE 0.025
- Mid Blue #276AB3 ΔE 0.030
- Muted Blue #3B719F ΔE 0.036
- Sea Blue #047495 ΔE 0.039
- Flat Blue #3C73A8 ΔE 0.040
- French Blue #436BAD ΔE 0.040
- Denim #3B638C ΔE 0.044
Use #106BA3 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.